2907 ERX-SINET-AS National Center for Science Information Systems
Adjacency: 44 Upstream: 2 Downstream: 42
Upstream Adjacent AS list
AS3356 LEVEL3 Level 3 Communications
AS9225 REACHNW-ASNUM Reach Networks KK
Downstream Adjacent AS list
AS18148 JPNIC-ASBLOCK-AP JPNIC
AS23800 --No Registry Entry--
AS24260 --No Registry Entry--
AS24470 MAIS-AS-JP MAIS(Miyazaki Area Internet Society)
AS2501 JPNIC-ASBLOCK-AP JPNIC
AS9355 --No Registry Entry--
AS9367 --No Registry Entry--
AS17532 JPNIC-JP-ASN-BLOCK Japan Network Information Center
AS17701 JPNIC-JP-ASN-BLOCK Japan Network Information Center
AS17946 JPNIC-JP-ASN-BLOCK Japan Network Information Center
AS18123 JPNIC-ASBLOCK-AP JPNIC
AS18124 JPNIC-ASBLOCK-AP JPNIC
AS18127 JPNIC-ASBLOCK-AP JPNIC
AS18267 JPNIC-ASBLOCK-AP JPNIC
AS18128 JPNIC-ASBLOCK-AP JPNIC
AS18087 JPNIC-ASBLOCK-AP JPNIC
AS23799 --No Registry Entry--
AS23781 --No Registry Entry--
AS23623 --No Registry Entry--
AS24264 --No Registry Entry--
AS24261 --No Registry Entry--
AS24287 --No Registry Entry--
AS24268 --No Registry Entry--
AS24248 --No Registry Entry--
AS23615 --No Registry Entry--
AS17960 JPNIC-JP-ASN-BLOCK Japan Network Information Center
AS17523 JPNIC-JP-ASN-BLOCK Japan Network Information Center
AS2506 JPNIC-ASBLOCK-AP JPNIC
AS2523 JPNIC-ASBLOCK-AP JPNIC
AS37984 CKADMIN-AS-JP Chikushi Jogakuen University, Non-transit AS.
AS4707 --No Registry Entry--
AS37909 --No Registry Entry--
AS37889 --No Registry Entry--
AS3488 ERX-SPACENETJP National Space Development Agency of Japan
AS4729 --No Registry Entry--
AS2508 JPNIC-ASBLOCK-AP JPNIC
AS9591 JPNIC-NET-JP-AS-BLOCK Japan Network Information Center
AS7509 --No Registry Entry--
AS4730 --No Registry Entry--
AS2505 JPNIC-ASBLOCK-AP JPNIC
AS2504 JPNIC-ASBLOCK-AP JPNIC
AS2503 JPNIC-ASBLOCK-AP JPNIC
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 51 AS2907 ORG+TRN Originate: 7047680 /9.25 Transit: 3909120 /10.10 ERX-SINET-AS National Center for Science Information Systems
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 578 AS2907 ERX-SINET-AS National Center for Science 331 42 18 307 24 7.25% Prefix AS Path Aggregation Suggestion 130.54.114.0/23 4637 9225 2907 130.153.0.0/16 4637 9225 2907 130.158.0.0/16 4637 9225 2907 131.206.0.0/16 4637 9225 2907 133.6.0.0/15 4637 9225 2907 + Announce - aggregate of 133.6.0.0/16 (4637 9225 2907) and 133.7.0.0/16 (4637 9225 2907) 133.6.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.7.0.0/16 (4637 9225 2907) 133.7.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.6.0.0/16 (4637 9225 2907) 133.8.0.0/16 4637 9225 2907 133.10.0.0/16 4637 9225 2907 133.15.0.0/16 4637 9225 2907 133.16.0.0/15 4637 9225 2907 + Announce - aggregate of 133.16.0.0/16 (4637 9225 2907) and 133.17.0.0/16 (4637 9225 2907) 133.16.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.17.0.0/16 (4637 9225 2907) 133.17.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.16.0.0/16 (4637 9225 2907) 133.21.0.0/16 4637 9225 2907 133.23.0.0/16 4637 9225 2907 133.25.0.0/16 4637 9225 2907 133.28.0.0/15 4637 9225 2907 + Announce - aggregate of 133.28.0.0/16 (4637 9225 2907) and 133.29.0.0/16 (4637 9225 2907) 133.28.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.29.0.0/16 (4637 9225 2907) 133.29.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.28.0.0/16 (4637 9225 2907) 133.30.0.0/16 4637 9225 2907 133.32.204.0/24 4637 9225 2907 133.34.0.0/15 4637 9225 2907 + Announce - aggregate of 133.34.0.0/16 (4637 9225 2907) and 133.35.0.0/16 (4637 9225 2907) 133.34.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.35.0.0/16 (4637 9225 2907) 133.35.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.34.0.0/16 (4637 9225 2907) 133.37.0.0/16 4637 9225 2907 133.38.0.0/15 4637 9225 2907 + Announce - aggregate of 133.38.0.0/16 (4637 9225 2907) and 133.39.0.0/16 (4637 9225 2907) 133.38.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.39.0.0/16 (4637 9225 2907) 133.39.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.38.0.0/16 (4637 9225 2907) 133.40.0.0/16 4637 9225 2907 133.44.0.0/14 4637 9225 2907 + Announce - aggregate of 133.44.0.0/15 (4637 9225 2907) and 133.46.0.0/15 (4637 9225 2907) 133.44.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.45.0.0/16 (4637 9225 2907) 133.45.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.44.0.0/16 (4637 9225 2907) 133.46.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.47.0.0/16 (4637 9225 2907) 133.47.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.46.0.0/16 (4637 9225 2907) 133.48.0.0/15 4637 9225 2907 + Announce - aggregate of 133.48.0.0/16 (4637 9225 2907) and 133.49.0.0/16 (4637 9225 2907) 133.48.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.49.0.0/16 (4637 9225 2907) 133.49.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.48.0.0/16 (4637 9225 2907) 133.51.0.0/16 4637 9225 2907 133.55.0.0/16 4637 9225 2907 133.57.0.0/16 4637 9225 2907 133.58.0.0/16 4637 9225 2907 133.62.0.0/15 4637 9225 2907 + Announce - aggregate of 133.62.0.0/16 (4637 9225 2907) and 133.63.0.0/16 (4637 9225 2907) 133.62.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.63.0.0/16 (4637 9225 2907) 133.63.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.62.0.0/16 (4637 9225 2907) 133.64.0.0/15 4637 9225 2907 + Announce - aggregate of 133.64.0.0/16 (4637 9225 2907) and 133.65.0.0/16 (4637 9225 2907) 133.64.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.65.0.0/16 (4637 9225 2907) 133.65.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.64.0.0/16 (4637 9225 2907) 133.68.0.0/16 4637 9225 2907 133.71.0.0/16 4637 9225 2907 133.74.0.0/16 4637 9225 2907 133.77.0.0/16 4637 9225 2907 133.78.0.0/16 4637 9225 2907 133.81.0.0/16 4637 9225 2907 133.82.0.0/16 4637 9225 2907 133.85.0.0/16 4637 9225 2907 133.89.0.0/16 4637 9225 2907 133.92.0.0/16 4637 9225 2907 133.94.0.0/15 4637 9225 2907 + Announce - aggregate of 133.94.0.0/16 (4637 9225 2907) and 133.95.0.0/16 (4637 9225 2907) 133.94.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.95.0.0/16 (4637 9225 2907) 133.95.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.94.0.0/16 (4637 9225 2907) 133.96.0.0/15 4637 9225 2907 + Announce - aggregate of 133.96.0.0/16 (4637 9225 2907) and 133.97.0.0/16 (4637 9225 2907) 133.96.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.97.0.0/16 (4637 9225 2907) 133.97.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 133.96.0.0/16 (4637 9225 2907) 133.102.0.0/16 4637 9225 2907 133.106.0.0/16 4637 9225 2907 133.187.0.0/16 4637 9225 2907 133.220.0.0/16 4637 9225 2907 136.187.0.0/16 4637 9225 2907 147.157.0.0/16 4637 9225 2907 150.7.0.0/16 4637 9225 2907 150.12.0.0/16 4637 9225 2907 150.15.0.0/16 4637 9225 2907 150.42.0.0/15 4637 9225 2907 + Announce - aggregate of 150.42.0.0/16 (4637 9225 2907) and 150.43.0.0/16 (4637 9225 2907) 150.42.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 150.43.0.0/16 (4637 9225 2907) 150.43.0.0/16 4637 9225 2907 - Withdrawn - aggregated with 150.42.0.0/16 (4637 9225 2907) 150.46.0.0/16 4637 9225 2907 150.59.0.0/16 4637 9225 2907 150.69.0.0/16 4637 9225 2907 150.84.0.0/16 4637 9225 2907 150.86.0.0/16 4637 9225 2907 150.97.0.0/16 4637 9225 2907 150.99.0.0/16 4637 9225 2907 150.100.0.0/16 4637 9225 2907 150.100.10.0/23 4637 9225 2907 - Withdrawn - matching aggregate 150.100.0.0/16 4637 9225 2907 150.100.128.0/18 4637 9225 2907 - Withdrawn - matching aggregate 150.100.0.0/16 4637 9225 2907 157.1.0.0/16 4637 3356 2907 157.1.16.0/24 4637 9225 2907 157.1.31.0/24 4637 9225 2907 157.1.65.0/24 4637 9225 2907 157.1.66.0/24 4637 9225 2907 157.6.0.0/16 4637 9225 2907 157.17.0.0/16 4637 9225 2907 157.63.0.0/16 4637 9225 2907 157.76.0.0/16 4637 9225 2907 157.80.0.0/16 4637 9225 2907 157.105.0.0/16 4637 9225 2907 157.114.0.0/16 4637 9225 2907 158.208.0.0/16 4637 9225 2907 160.11.0.0/16 4637 9225 2907 160.12.0.0/16 4637 9225 2907 160.15.0.0/16 4637 9225 2907 160.198.0.0/16 4637 9225 2907 160.202.0.0/16 4637 9225 2907 160.204.0.0/16 4637 9225 2907 160.237.0.0/16 4637 9225 2907 160.238.0.0/16 4637 9225 2907 160.247.0.0/16 4637 9225 2907 160.252.0.0/16 4637 9225 2907 163.47.0.0/16 4637 9225 2907 163.51.0.0/16 4637 9225 2907 163.134.0.0/16 4637 9225 2907 163.136.0.0/16 4637 9225 2907 163.209.0.0/16 4637 9225 2907 163.212.0.0/16 4637 9225 2907 163.214.0.0/16 4637 9225 2907 163.225.0.0/16 4637 9225 2907 164.161.0.0/16 4637 9225 2907 165.93.0.0/16 4637 9225 2907 192.47.1.0/24 4637 9225 2907 192.47.204.0/24 4637 9225 2907 192.50.27.0/24 4637 9225 2907 192.50.56.0/23 4637 9225 2907 192.50.74.0/23 4637 9225 2907 192.50.102.0/23 4637 9225 2907 192.51.168.0/21 4637 9225 2907 192.68.235.0/24 4637 9225 2907 192.68.236.0/22 4637 9225 2907 192.68.240.0/22 4637 9225 2907 192.68.244.0/24 4637 9225 2907 192.68.246.0/23 4637 9225 2907 + Announce - aggregate of 192.68.246.0/24 (4637 9225 2907) and 192.68.247.0/24 (4637 9225 2907) 192.68.246.0/24 4637 9225 2907 - Withdrawn - aggregated with 192.68.247.0/24 (4637 9225 2907) 192.68.247.0/24 4637 9225 2907 - Withdrawn - aggregated with 192.68.246.0/24 (4637 9225 2907) 192.68.248.0/23 4637 9225 2907 192.153.95.0/24 4637 9225 2907 192.153.104.0/24 4637 9225 2907 192.172.236.0/24 4637 9225 2907 192.218.1.0/24 4637 9225 2907 192.218.92.0/22 4637 9225 2907 192.218.112.0/21 4637 9225 2907 + Announce - aggregate of 192.218.112.0/22 (4637 9225 2907) and 192.218.116.0/22 (4637 9225 2907) 192.218.112.0/22 4637 9225 2907 - Withdrawn - aggregated with 192.218.116.0/22 (4637 9225 2907) 192.218.116.0/22 4637 9225 2907 - Withdrawn - aggregated with 192.218.112.0/22 (4637 9225 2907) 192.218.160.0/20 4637 9225 2907 192.244.20.0/23 4637 9225 2907 192.244.78.0/23 4637 9225 2907 192.244.80.0/20 4637 9225 2907 192.244.144.0/20 4637 9225 2907 192.244.196.0/22 4637 9225 2907 192.244.208.0/20 4637 9225 2907 192.244.228.0/22 4637 9225 2907 192.244.254.0/24 4637 9225 2907 202.11.0.0/20 4637 9225 2907 + Announce - aggregate of 202.11.0.0/21 (4637 9225 2907) and 202.11.8.0/21 (4637 9225 2907) 202.11.0.0/21 4637 9225 2907 - Withdrawn - aggregated with 202.11.8.0/21 (4637 9225 2907) 202.11.8.0/22 4637 9225 2907 - Withdrawn - aggregated with 202.11.12.0/22 (4637 9225 2907) 202.11.12.0/22 4637 9225 2907 - Withdrawn - aggregated with 202.11.8.0/22 (4637 9225 2907) 202.11.124.0/23 4637 9225 2907 202.11.216.0/22 4637 9225 2907 202.13.0.0/22 4637 9225 2907 202.13.4.0/23 4637 9225 2907 202.13.60.0/23 4637 9225 2907 202.13.89.0/24 4637 9225 2907 202.13.236.0/22 4637 9225 2907 202.15.16.0/20 4637 9225 2907 202.15.216.0/21 4637 9225 2907 202.16.122.0/23 4637 9225 2907 202.16.128.0/20 4637 9225 2907 202.16.208.0/20 4637 9225 2907 202.16.224.0/24 4637 9225 2907 202.17.30.0/23 4637 9225 2907 202.17.170.0/23 4637 9225 2907 202.17.182.0/24 4637 9225 2907 202.17.200.0/21 4637 9225 2907 202.17.208.0/22 4637 9225 2907 202.18.32.0/19 4637 9225 2907 202.18.160.0/20 4637 9225 2907 202.18.184.0/21 4637 9225 2907 + Announce - aggregate of 202.18.184.0/22 (4637 9225 2907) and 202.18.188.0/22 (4637 9225 2907) 202.18.184.0/22 4637 9225 2907 - Withdrawn - aggregated with 202.18.188.0/22 (4637 9225 2907) 202.18.188.0/22 4637 9225 2907 - Withdrawn - aggregated with 202.18.184.0/22 (4637 9225 2907) 202.19.104.0/23 4637 9225 2907 202.19.136.0/21 4637 9225 2907 202.19.180.0/22 4637 9225 2907 202.23.64.0/21 4637 9225 2907 202.23.86.0/24 4637 9225 2907 202.23.192.0/21 4637 9225 2907 202.23.240.0/21 4637 9225 2907 202.24.80.0/21 4637 9225 2907 202.24.144.0/21 4637 9225 2907 202.24.160.0/21 4637 9225 2907 202.24.240.0/21 4637 9225 2907 202.25.224.0/20 4637 9225 2907 202.26.64.0/19 4637 9225 2907 202.26.136.0/22 4637 9225 2907 202.26.144.0/20 4637 9225 2907 202.26.160.0/20 4637 9225 2907 202.26.196.0/22 4637 9225 2907 202.26.248.0/23 4637 9225 2907 202.34.192.0/19 4637 9225 2907 202.34.232.0/21 4637 9225 2907 202.35.192.0/19 4637 9225 2907 202.35.224.0/24 4637 9225 2907 202.35.226.0/23 4637 9225 2907 202.35.240.0/21 4637 9225 2907 202.48.112.0/21 4637 9225 2907 202.208.8.0/23 4637 9225 2907 202.208.16.0/22 4637 9225 2907 202.208.25.0/24 4637 9225 2907 202.209.0.0/16 4637 9225 2907 202.209.159.0/24 4637 9225 2907 - Withdrawn - matching aggregate 202.209.0.0/16 4637 9225 2907 202.210.0.0/22 4637 9225 2907 202.211.0.0/19 4637 9225 2907 202.213.24.0/23 4637 9225 2907 202.213.160.0/20 4637 9225 2907 202.220.21.0/24 4637 9225 2907 202.220.62.0/23 4637 9225 2907 202.220.64.0/22 4637 9225 2907 202.220.72.0/22 4637 9225 2907 202.220.104.0/23 4637 9225 2907 202.220.116.0/23 4637 9225 2907 202.220.118.0/24 4637 9225 2907 202.223.128.0/17 4637 9225 2907 202.231.0.0/18 4637 9225 2907 202.235.128.0/18 4637 9225 2907 202.236.2.0/24 4637 9225 2907 202.236.16.0/24 4637 9225 2907 202.236.33.0/24 4637 9225 2907 202.236.60.0/23 4637 9225 2907 202.236.66.0/23 4637 9225 2907 202.236.73.0/24 4637 9225 2907 202.236.100.0/22 4637 9225 2907 202.236.106.0/23 4637 9225 2907 202.236.109.0/24 4637 9225 2907 202.236.111.0/24 4637 9225 2907 202.236.124.0/24 4637 9225 2907 202.236.128.0/20 4637 9225 2907 202.236.144.0/23 4637 9225 2907 202.236.150.0/23 4637 9225 2907 202.236.176.0/22 4637 9225 2907 202.236.188.0/22 4637 9225 2907 202.236.238.0/23 4637 9225 2907 202.237.2.0/23 4637 9225 2907 202.237.6.0/23 4637 9225 2907 202.237.10.0/24 4637 9225 2907 202.237.15.0/24 4637 9225 2907 202.237.40.0/24 4637 9225 2907 202.237.52.0/22 4637 9225 2907 + Announce - aggregate of 202.237.52.0/23 (4637 9225 2907) and 202.237.54.0/23 (4637 9225 2907) 202.237.52.0/23 4637 9225 2907 - Withdrawn - aggregated with 202.237.54.0/23 (4637 9225 2907) 202.237.54.0/23 4637 9225 2907 - Withdrawn - aggregated with 202.237.52.0/23 (4637 9225 2907) 202.237.168.0/23 4637 9225 2907 202.237.174.0/24 4637 9225 2907 202.237.254.0/23 4637 9225 2907 202.240.8.0/21 4637 9225 2907 202.240.72.0/21 4637 9225 2907 202.240.84.0/23 4637 9225 2907 202.240.96.0/22 4637 9225 2907 202.240.112.0/22 4637 9225 2907 202.240.117.0/24 4637 9225 2907 202.240.137.0/24 4637 9225 2907 202.240.224.0/24 4637 9225 2907 202.241.0.0/17 4637 9225 2907 202.242.5.0/24 4637 9225 2907 202.242.7.0/24 4637 9225 2907 202.242.8.0/21 4637 9225 2907 202.242.21.0/24 4637 9225 2907 202.242.38.0/23 4637 9225 2907 202.242.55.0/24 4637 9225 2907 202.242.61.0/24 4637 9225 2907 202.242.64.0/21 4637 9225 2907 202.242.104.0/21 4637 9225 2907 202.242.120.0/23 4637 9225 2907 202.242.124.0/23 4637 9225 2907 202.242.127.0/24 4637 9225 2907 202.242.131.0/24 4637 9225 2907 202.242.160.0/19 4637 9225 2907 202.242.192.0/19 4637 9225 2907 202.243.162.0/24 4637 9225 2907 202.243.185.0/24 4637 9225 2907 202.243.220.0/23 4637 9225 2907 + Announce - aggregate of 202.243.220.0/24 (4637 9225 2907) and 202.243.221.0/24 (4637 9225 2907) 202.243.220.0/24 4637 9225 2907 - Withdrawn - aggregated with 202.243.221.0/24 (4637 9225 2907) 202.243.221.0/24 4637 9225 2907 - Withdrawn - aggregated with 202.243.220.0/24 (4637 9225 2907) 202.243.222.0/24 4637 9225 2907 202.243.234.0/23 4637 9225 2907 202.244.24.0/21 4637 9225 2907 202.244.52.0/22 4637 9225 2907 202.244.62.0/24 4637 9225 2907 202.244.76.0/22 4637 9225 2907 202.244.90.0/23 4637 9225 2907 202.244.104.0/23 4637 9225 2907 202.244.112.0/20 4637 9225 2907 202.244.205.0/24 4637 9225 2907 202.244.210.0/24 4637 9225 2907 202.244.240.0/20 4637 9225 2907 202.245.2.0/23 4637 9225 2907 202.245.11.0/24 4637 9225 2907 202.245.24.0/23 4637 9225 2907 202.245.30.0/24 4637 9225 2907 202.245.64.0/19 4637 9225 2907 202.245.100.0/22 4637 9225 2907 202.245.104.0/21 4637 9225 2907 202.245.136.0/23 4637 9225 2907 202.245.140.0/24 4637 9225 2907 202.245.196.0/23 4637 9225 2907 202.245.212.0/22 4637 9225 2907 202.245.226.0/23 4637 9225 2907 202.246.68.0/22 4637 9225 2907 202.246.106.0/23 4637 9225 2907 202.246.128.0/19 4637 9225 2907 202.250.0.0/20 4637 9225 2907 202.250.176.0/22 4637 9225 2907 202.250.184.0/21 4637 9225 2907 202.250.204.0/22 4637 9225 2907 202.250.208.0/21 4637 9225 2907 202.250.224.0/22 4637 9225 2907 202.251.32.0/20 4637 9225 2907 202.251.88.0/22 4637 9225 2907 202.251.180.0/22 4637 9225 2907 202.251.244.0/22 4637 9225 2907 202.252.64.0/19 4637 9225 2907 202.252.120.0/21 4637 9225 2907 202.252.214.0/24 4637 9225 2907 202.252.246.0/24 4637 9225 2907 202.253.0.0/18 4637 9225 2907 202.253.88.0/22 4637 9225 2907 202.253.138.0/23 4637 9225 2907 202.253.190.0/23 4637 9225 2907 202.253.192.0/21 4637 9225 2907 202.253.200.0/22 4637 9225 2907 202.253.224.0/20 4637 9225 2907 202.253.248.0/22 4637 9225 2907 202.254.0.0/19 4637 9225 2907 202.254.88.0/22 4637 9225 2907 202.254.162.0/23 4637 9225 2907 202.254.212.0/23 4637 9225 2907 202.254.218.0/24 4637 9225 2907 202.254.227.0/24 4637 9225 2907 202.254.230.0/23 4637 9225 2907 202.254.232.0/21 4637 9225 2907 202.255.152.0/22 4637 9225 2907 202.255.169.0/24 4637 9225 2907 202.255.184.0/22 4637 9225 2907 202.255.200.0/22 4637 9225 2907 202.255.229.0/24 4637 9225 2907 202.255.237.0/24 4637 9225 2907 202.255.244.0/22 4637 9225 2907 203.178.44.0/24 4637 9225 2907 203.181.192.0/18 4637 9225 2907 210.133.64.0/19 4637 9225 2907 210.137.0.0/16 4637 9225 2907 210.146.64.0/20 4637 9225 2907 210.151.64.0/18 4637 9225 2907 210.156.32.0/19 4637 9225 2907
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS2907 271 More Specifics 326 Total Advertisements ERX-SINET-AS National Center for Science Information Systems
130.54.114.0/23 130.54.0.0/16
133.6.0.0/16 133.0.0.0/8
133.7.0.0/16 133.0.0.0/8
133.8.0.0/16 133.0.0.0/8
133.10.0.0/16 133.0.0.0/8
133.15.0.0/16 133.0.0.0/8
133.16.0.0/16 133.0.0.0/8
133.17.0.0/16 133.0.0.0/8
133.21.0.0/16 133.0.0.0/8
133.23.0.0/16 133.0.0.0/8
133.25.0.0/16 133.0.0.0/8
133.28.0.0/16 133.0.0.0/8
133.29.0.0/16 133.0.0.0/8
133.30.0.0/16 133.0.0.0/8
133.32.204.0/24 133.0.0.0/8
133.34.0.0/16 133.0.0.0/8
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whois: 402332
IANA has recorded AS2907 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS2907\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2907'
% Abuse contact for 'AS2907' is 'hostmaster@nic.ad.jp'
aut-num: AS2907
as-name: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp. To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2016-10-17T00:32:11Z
source: APNIC
irt: IRT-JPNIC-JP
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
e-mail: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS2907'
aut-num: AS2907
as-name: SINET-AS
descr: Research Organization of Information and Systems, National Institute of Informatics
import:
export:
country: JP
admin-c: JP00006158
tech-c: JP00006158
last-modified: 2008-11-28T23:20:25Z
remarks: This information has been partially mirrored by APNIC from
remarks: JPNIC. To obtain more specific information, please use the
remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)