21777 MASSIVE-NETWORKS, US
Adjacency: 7 Upstream: 4 Downstream: 3
Upstream Adjacent AS list
AS6939 HURRICANE, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS2914 NTT-LTD-2914, US
AS3257 GTT-BACKBONE GTT, US
Downstream Adjacent AS list
AS25779 -Reserved AS-, ZZ
AS399726 XTREAM-INTERNET-01, US
AS39938 RCW, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5409 AS21777 ORG+TRN Originate: 32256 /17.02 Transit: 7424 /19.14 MASSIVE-NETWORKS, US
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 % 10068 AS21777 MASSIVE-NETWORKS, US 63 8 4 59 4 6.35% Prefix AS Path Aggregation Suggestion 64.92.96.0/19 3257 21777 65.101.207.0/24 3257 21777 72.18.208.0/24 3257 21777 72.18.210.0/24 3257 21777 72.18.212.0/23 6939 21777 72.18.217.0/24 3257 21777 72.18.218.0/23 3257 21777 72.18.220.0/24 3257 21777 72.18.223.0/24 3257 21777 192.124.0.0/24 3257 21777 192.188.61.0/24 3257 21777 199.45.152.0/24 3257 21777 199.45.166.0/24 3257 21777 199.45.236.0/22 3257 21777 199.45.240.0/24 3257 21777 199.45.255.0/24 3257 21777 199.127.200.0/22 3257 21777 199.165.233.0/24 3257 21777 199.189.28.0/22 3257 21777 + Announce - aggregate of 199.189.28.0/23 (3257 21777) and 199.189.30.0/23 (3257 21777) 199.189.28.0/23 3257 21777 - Withdrawn - aggregated with 199.189.30.0/23 (3257 21777) 199.189.30.0/23 3257 21777 - Withdrawn - aggregated with 199.189.28.0/23 (3257 21777) 204.80.248.0/24 6939 21777 204.144.128.0/22 3257 21777 204.144.132.0/23 3257 21777 204.144.134.0/24 3257 21777 204.144.140.0/23 3257 21777 204.144.151.0/24 3257 21777 204.144.179.0/24 2914 21777 204.144.181.0/24 3257 21777 204.144.184.0/24 3257 21777 206.168.0.0/24 3257 21777 206.168.13.0/24 3257 21777 206.168.39.0/24 3257 21777 206.168.96.0/23 3257 21777 + Announce - aggregate of 206.168.96.0/24 (3257 21777) and 206.168.97.0/24 (3257 21777) 206.168.96.0/24 3257 21777 - Withdrawn - aggregated with 206.168.97.0/24 (3257 21777) 206.168.97.0/24 3257 21777 - Withdrawn - aggregated with 206.168.96.0/24 (3257 21777) 206.168.112.0/24 3257 21777 206.168.114.0/24 3257 21777 206.168.117.0/24 3257 21777 206.168.153.0/24 3257 21777 206.168.172.0/24 6939 21777 206.168.187.0/24 3257 21777 206.168.188.0/23 3257 21777 + Announce - aggregate of 206.168.188.0/24 (3257 21777) and 206.168.189.0/24 (3257 21777) 206.168.188.0/24 3257 21777 - Withdrawn - aggregated with 206.168.189.0/24 (3257 21777) 206.168.189.0/24 3257 21777 - Withdrawn - aggregated with 206.168.188.0/24 (3257 21777) 206.168.216.0/22 3257 21777 206.168.220.0/24 3257 21777 206.168.222.0/23 3257 21777 206.168.224.0/21 3257 21777 207.174.8.0/24 3257 21777 207.174.21.0/24 2914 21777 207.174.72.0/23 3257 21777 207.174.76.0/23 3257 21777 + Announce - aggregate of 207.174.76.0/24 (3257 21777) and 207.174.77.0/24 (3257 21777) 207.174.76.0/24 3257 21777 - Withdrawn - aggregated with 207.174.77.0/24 (3257 21777) 207.174.77.0/24 3257 21777 - Withdrawn - aggregated with 207.174.76.0/24 (3257 21777) 207.174.98.0/24 3257 21777 207.174.110.0/23 3257 21777 207.174.113.0/24 3257 21777 207.174.114.0/24 3257 21777 207.174.117.0/24 3257 21777 207.174.130.0/24 3257 21777 207.174.137.0/24 3257 21777 207.174.138.0/23 3257 21777 207.174.140.0/22 3257 21777 207.174.157.0/24 3257 21777 207.174.175.0/24 3257 21777 207.174.201.0/24 3257 21777
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21777 8 More Specifics 43 Total Advertisements MASSIVE-NETWORKS, US
66.37.156.0/24 66.37.128.0/19
199.33.74.0/23 199.33.72.0/22
199.189.28.0/23 199.189.28.0/22
199.189.30.0/23 199.189.28.0/22
204.188.96.0/20 204.188.0.0/17
206.168.96.0/24 206.168.96.0/23
206.168.97.0/24 206.168.96.0/23
208.139.192.0/20 208.139.0.0/16
199.189.30.0/24 199.189.28.0/22
199.189.31.0/24 199.189.28.0/22
204.188.100.0/24 204.188.0.0/17
204.188.101.0/24 204.188.0.0/17
204.188.102.0/24 204.188.0.0/17
204.188.105.0/24 204.188.0.0/17
204.188.107.0/24 204.188.0.0/17
208.139.194.0/24 208.139.0.0/16
208.139.200.0/24 208.139.0.0/16
208.139.204.0/24 208.139.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 64.40.16.0/22 Announced
+ 204.188.96.0/20 Announced
+ 208.139.192.0/20 Announced
+ 209.209.28.0/22 Announced
- 199.189.30.0/24 Withdrawn
- 199.189.31.0/24 Withdrawn
- 204.188.100.0/24 Withdrawn
- 204.188.101.0/24 Withdrawn
- 204.188.102.0/24 Withdrawn
- 204.188.105.0/24 Withdrawn
- 204.188.107.0/24 Withdrawn
- 208.139.194.0/24 Withdrawn
- 208.139.200.0/24 Withdrawn
- 208.139.204.0/24 Withdrawn
| Bogus AS | Announcing-AS | ||
|---|---|---|---|
| AS25779 | Announced by | AS21777 | MASSIVE-NETWORKS-21777 - Massive Networks, Inc., US |
whois: 402590
IANA has recorded AS21777 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21777\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 21777
ASName: MASSIVE-NETWORKS-21777
ASHandle: AS21777
RegDate: 2011-01-21
Updated: 2026-02-25
Ref: https://rdap.arin.net/registry/autnum/21777
OrgName: Massive Networks, Inc.
OrgId: MN-407
Address: 382 S. Arthur Ave.
Address: Suite 120
City: Louisville
StateProv: CO
PostalCode: 80027
Country: US
RegDate: 2026-02-11
Updated: 2026-03-11
Ref: https://rdap.arin.net/registry/entity/MN-407
OrgTechHandle: LEWIN9-ARIN
OrgTechName: Lewinski, Mike
OrgTechPhone: +1-303-629-2860
OrgTechEmail: mlewinski@massivenetworks.com
OrgTechRef: https://rdap.arin.net/registry/entity/LEWIN9-ARIN
OrgTechHandle: COBER-ARIN
OrgTechName: Coberly, James
OrgTechPhone: +1-303-800-1300
OrgTechEmail: james@xmc.com
OrgTechRef: https://rdap.arin.net/registry/entity/COBER-ARIN
OrgNOCHandle: NOC33251-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-303-800-1300
OrgNOCEmail: noc@massivenetworks.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC33251-ARIN
OrgAbuseHandle: ABUSE7475-ARIN
OrgAbuseName: Abuse Department
OrgAbusePhone: +1-303-800-1300
OrgAbuseEmail: abuse@massivenetworks.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7475-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#