
12261 DEKALB, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS19331 TWIN-LAKES, US
AS11758 IRISNETWORKS, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8123 AS12261 ORIGIN Originate: 15616 /18.07 Transit: 0 /0.00 DEKALB, 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 % 3149 AS12261 DEKALB, US 28 24 7 11 17 60.71% Prefix AS Path Aggregation Suggestion 64.253.208.0/21 6939 11758 12261 + Announce - aggregate of 64.253.208.0/22 (6939 11758 12261) and 64.253.212.0/22 (6939 11758 12261) 64.253.208.0/22 6939 11758 12261 - Withdrawn - aggregated with 64.253.212.0/22 (6939 11758 12261) 64.253.212.0/22 6939 11758 12261 - Withdrawn - aggregated with 64.253.208.0/22 (6939 11758 12261) 64.253.216.0/23 6939 11758 12261 64.253.220.0/22 6939 11758 12261 + Announce - aggregate of 64.253.220.0/23 (6939 11758 12261) and 64.253.222.0/23 (6939 11758 12261) 64.253.220.0/23 6939 11758 12261 - Withdrawn - aggregated with 64.253.222.0/23 (6939 11758 12261) 64.253.222.0/23 6939 11758 12261 - Withdrawn - aggregated with 64.253.220.0/23 (6939 11758 12261) 137.119.208.0/21 6939 11758 12261 + Announce - aggregate of 137.119.208.0/22 (6939 11758 12261) and 137.119.212.0/22 (6939 11758 12261) 137.119.208.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.209.0/24 (6939 11758 12261) 137.119.209.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.208.0/24 (6939 11758 12261) 137.119.210.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.211.0/24 (6939 11758 12261) 137.119.211.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.210.0/24 (6939 11758 12261) 137.119.212.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.213.0/24 (6939 11758 12261) 137.119.213.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.212.0/24 (6939 11758 12261) 137.119.214.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.215.0/24 (6939 11758 12261) 137.119.215.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.214.0/24 (6939 11758 12261) 137.119.216.0/22 6939 11758 12261 + Announce - aggregate of 137.119.216.0/23 (6939 11758 12261) and 137.119.218.0/23 (6939 11758 12261) 137.119.216.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.217.0/24 (6939 11758 12261) 137.119.217.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.216.0/24 (6939 11758 12261) 137.119.218.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.219.0/24 (6939 11758 12261) 137.119.219.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.218.0/24 (6939 11758 12261) 137.119.220.0/24 6939 11758 12261 137.119.222.0/23 6939 11758 12261 + Announce - aggregate of 137.119.222.0/24 (6939 11758 12261) and 137.119.223.0/24 (6939 11758 12261) 137.119.222.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.223.0/24 (6939 11758 12261) 137.119.223.0/24 6939 11758 12261 - Withdrawn - aggregated with 137.119.222.0/24 (6939 11758 12261) 173.242.240.0/21 2914 19331 12261 + Announce - aggregate of 173.242.240.0/22 (2914 19331 12261) and 173.242.244.0/22 (2914 19331 12261) 173.242.240.0/22 2914 19331 12261 - Withdrawn - aggregated with 173.242.244.0/22 (2914 19331 12261) 173.242.244.0/22 2914 19331 12261 - Withdrawn - aggregated with 173.242.240.0/22 (2914 19331 12261) 173.242.248.0/22 2914 19331 12261 173.242.252.0/22 6939 11758 12261 208.118.192.0/20 2914 19331 12261 + Announce - aggregate of 208.118.192.0/21 (2914 19331 12261) and 208.118.200.0/21 (2914 19331 12261) 208.118.192.0/22 2914 19331 12261 - Withdrawn - aggregated with 208.118.196.0/22 (2914 19331 12261) 208.118.196.0/22 2914 19331 12261 - Withdrawn - aggregated with 208.118.192.0/22 (2914 19331 12261) 208.118.200.0/22 2914 19331 12261 - Withdrawn - aggregated with 208.118.204.0/22 (2914 19331 12261) 208.118.204.0/22 2914 19331 12261 - Withdrawn - aggregated with 208.118.200.0/22 (2914 19331 12261)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12261 12 More Specifics 12 Total Advertisements DEKALB, US
64.253.208.0/22 64.253.208.0/20
64.253.212.0/22 64.253.208.0/20
64.253.216.0/22 64.253.208.0/20
64.253.220.0/22 64.253.208.0/20
173.242.240.0/22 173.242.240.0/20
173.242.244.0/22 173.242.240.0/20
173.242.248.0/22 173.242.240.0/20
173.242.252.0/22 173.242.240.0/20
208.118.192.0/22 208.118.192.0/20
208.118.196.0/22 208.118.192.0/20
208.118.200.0/22 208.118.192.0/20
208.118.204.0/22 208.118.192.0/20
64.253.210.0/23 64.253.208.0/20
64.253.216.0/23 64.253.208.0/20
64.253.218.0/23 64.253.208.0/20
64.253.222.0/23 64.253.208.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 64.253.216.0/22 Announced
- 64.253.210.0/23 Withdrawn
- 64.253.216.0/23 Withdrawn
- 64.253.218.0/23 Withdrawn
- 64.253.222.0/23 Withdrawn
whois: 402590
IANA has recorded AS12261 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12261\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/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 12261
ASName: DEKALB
ASHandle: AS12261
RegDate: 1999-05-04
Updated: 2019-01-24
Ref: https://rdap.arin.net/registry/autnum/12261
OrgName: DTC Communications, Inc.
OrgId: DTC-36
Address: 111 High Street
City: Alexandria
StateProv: TN
PostalCode: 37012
Country: US
RegDate: 1999-05-04
Updated: 2022-03-04
Ref: https://rdap.arin.net/registry/entity/DTC-36
OrgNOCHandle: DCE10-ARIN
OrgNOCName: Data Communications Engineer
OrgNOCPhone: +1-615-529-2955
OrgNOCEmail: tpatton@staff-dtc.com
OrgNOCRef: https://rdap.arin.net/registry/entity/DCE10-ARIN
OrgTechHandle: DCE10-ARIN
OrgTechName: Data Communications Engineer
OrgTechPhone: +1-615-529-2955
OrgTechEmail: tpatton@staff-dtc.com
OrgTechRef: https://rdap.arin.net/registry/entity/DCE10-ARIN
OrgAbuseHandle: ABUSE6051-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-615-529-2955
OrgAbuseEmail: violations@dtccom.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE6051-ARIN
OrgTechHandle: WOMAC327-ARIN
OrgTechName: Womack, Heath
OrgTechPhone: +1-615-529-2955
OrgTechEmail: hwomack@staff-dtc.com
OrgTechRef: https://rdap.arin.net/registry/entity/WOMAC327-ARIN
RTechHandle: DCE10-ARIN
RTechName: Data Communications Engineer
RTechPhone: +1-615-529-2955
RTechEmail: tpatton@staff-dtc.com
RTechRef: https://rdap.arin.net/registry/entity/DCE10-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.
#