20326 TERASWITCH, US
Adjacency: 30 Upstream: 12 Downstream: 18
Upstream Adjacent AS list
AS22652 FIBRENOIRE-INTERNET, CA
AS293 ESNET, US
AS3130 RGNET-SEA RGnet Seattle Westin, EE
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS37100 SEACOM-AS, MU
AS3741 IS, ZA
AS12552 IPO-EU, SE
AS57866 FUSIX-AS, NL
AS6939 HURRICANE, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS174 COGENT-174, US
AS2914 NTT-LTD-2914, US
Downstream Adjacent AS list
AS174 COGENT-174, US
AS19281 QUAD9-AS-1, CH
AS142594 SPEEDYPAGELTD-AS-AP SpeedyPage Ltd, AU
AS214783 -Reserved AS-, ZZ
AS26411 PRERENDER-NET, US
AS3402 BR, KY
AS22897 84LUMB-CORP, US
AS399781 AE, US
AS399114 ZESTY-CABLE, SG
AS398223 POMONA-01, US
AS35487 MISAKA, US
AS213001 --No Registry Entry--
AS40501 AS-COLOIP, US
AS53891 0POS, KY
AS7859 PAIR-NETWORKS, US
AS400798 PITIX-INFRA, US
AS399460 -Reserved AS-, ZZ
AS931 AS-HYONIX-US, SG
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2479 AS20326 ORG+TRN Originate: 91138 /15.52 Transit: 136320 /14.94 TERASWITCH, 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 % 1600 AS20326 TERASWITCH, US 170 55 18 133 37 21.76% Prefix AS Path Aggregation Suggestion 2.26.240.0/21 6939 20326 + Announce - aggregate of 2.26.240.0/22 (6939 20326) and 2.26.244.0/22 (6939 20326) 2.26.240.0/22 6939 20326 - Withdrawn - aggregated with 2.26.244.0/22 (6939 20326) 2.26.244.0/22 6939 20326 - Withdrawn - aggregated with 2.26.240.0/22 (6939 20326) 2.27.200.0/21 6939 20326 2.27.208.0/22 57866 20326 2.27.224.0/21 6939 20326 31.58.56.0/24 57866 20326 31.77.80.0/20 6939 20326 45.39.250.0/24 57866 20326 45.198.252.0/23 57866 20326 45.200.0.0/22 57866 20326 45.200.128.0/22 57866 20326 45.202.100.0/23 57866 20326 45.206.10.0/23 57866 20326 45.206.20.0/22 57866 20326 45.206.62.0/23 57866 20326 63.254.160.0/21 57866 20326 + Announce - aggregate of 63.254.160.0/22 (57866 20326) and 63.254.164.0/22 (57866 20326) 63.254.160.0/24 57866 20326 - Withdrawn - aggregated with 63.254.161.0/24 (57866 20326) 63.254.161.0/24 57866 20326 - Withdrawn - aggregated with 63.254.160.0/24 (57866 20326) 63.254.162.0/23 57866 20326 - Withdrawn - aggregated with 63.254.160.0/23 (57866 20326) 63.254.164.0/24 57866 20326 - Withdrawn - aggregated with 63.254.165.0/24 (57866 20326) 63.254.165.0/24 57866 20326 - Withdrawn - aggregated with 63.254.164.0/24 (57866 20326) 63.254.166.0/23 57866 20326 - Withdrawn - aggregated with 63.254.164.0/23 (57866 20326) 63.254.168.0/23 57866 20326 63.254.170.0/24 6939 20326 63.254.171.0/24 2914 20326 63.254.172.0/22 57866 20326 63.254.176.0/23 57866 20326 63.254.178.0/23 6939 20326 + Announce - aggregate of 63.254.178.0/24 (6939 20326) and 63.254.179.0/24 (6939 20326) 63.254.178.0/24 6939 20326 - Withdrawn - aggregated with 63.254.179.0/24 (6939 20326) 63.254.179.0/24 6939 20326 - Withdrawn - aggregated with 63.254.178.0/24 (6939 20326) 63.254.181.0/24 6939 20326 63.254.182.0/24 57866 20326 64.130.32.0/24 57866 20326 64.130.33.0/24 2914 20326 64.130.34.0/23 57866 20326 64.130.35.226/32 3130 20326 64.130.36.0/23 57866 20326 64.130.38.0/24 37100 20326 64.130.40.0/21 57866 20326 + Announce - aggregate of 64.130.40.0/22 (57866 20326) and 64.130.44.0/22 (57866 20326) 64.130.40.0/23 57866 20326 - Withdrawn - aggregated with 64.130.42.0/23 (57866 20326) 64.130.42.0/23 57866 20326 - Withdrawn - aggregated with 64.130.40.0/23 (57866 20326) 64.130.44.0/24 57866 20326 - Withdrawn - aggregated with 64.130.45.0/24 (57866 20326) 64.130.45.0/24 57866 20326 - Withdrawn - aggregated with 64.130.44.0/24 (57866 20326) 64.130.46.0/24 57866 20326 - Withdrawn - aggregated with 64.130.47.0/24 (57866 20326) 64.130.46.177/32 3130 20326 64.130.47.0/24 57866 20326 - Withdrawn - aggregated with 64.130.46.0/24 (57866 20326) 64.130.49.0/24 57866 20326 64.130.50.0/23 57866 20326 + Announce - aggregate of 64.130.50.0/24 (57866 20326) and 64.130.51.0/24 (57866 20326) 64.130.50.0/24 57866 20326 - Withdrawn - aggregated with 64.130.51.0/24 (57866 20326) 64.130.51.0/24 57866 20326 - Withdrawn - aggregated with 64.130.50.0/24 (57866 20326) 64.130.52.0/24 57866 20326 64.130.53.0/24 2914 20326 64.130.54.0/23 57866 20326 + Announce - aggregate of 64.130.54.0/24 (57866 20326) and 64.130.55.0/24 (57866 20326) 64.130.54.0/24 57866 20326 - Withdrawn - aggregated with 64.130.55.0/24 (57866 20326) 64.130.55.0/24 57866 20326 - Withdrawn - aggregated with 64.130.54.0/24 (57866 20326) 64.130.56.0/23 57866 20326 + Announce - aggregate of 64.130.56.0/24 (57866 20326) and 64.130.57.0/24 (57866 20326) 64.130.56.0/24 57866 20326 - Withdrawn - aggregated with 64.130.57.0/24 (57866 20326) 64.130.57.0/24 57866 20326 - Withdrawn - aggregated with 64.130.56.0/24 (57866 20326) 64.130.58.0/24 2914 20326 64.130.59.0/24 57866 20326 64.130.61.0/24 2914 20326 64.130.62.0/23 57866 20326 + Announce - aggregate of 64.130.62.0/24 (57866 20326) and 64.130.63.0/24 (57866 20326) 64.130.62.0/24 57866 20326 - Withdrawn - aggregated with 64.130.63.0/24 (57866 20326) 64.130.63.0/24 57866 20326 - Withdrawn - aggregated with 64.130.62.0/24 (57866 20326) 64.204.251.0/24 6939 20326 67.209.52.0/22 57866 20326 + Announce - aggregate of 67.209.52.0/23 (57866 20326) and 67.209.54.0/23 (57866 20326) 67.209.52.0/24 57866 20326 - Withdrawn - aggregated with 67.209.53.0/24 (57866 20326) 67.209.53.0/24 57866 20326 - Withdrawn - aggregated with 67.209.52.0/24 (57866 20326) 67.209.54.0/24 57866 20326 - Withdrawn - aggregated with 67.209.55.0/24 (57866 20326) 67.209.55.0/24 57866 20326 - Withdrawn - aggregated with 67.209.54.0/24 (57866 20326) 72.244.154.0/24 2914 20326 74.118.136.0/24 6939 20326 74.118.137.0/24 57866 20326 74.118.138.0/23 57866 20326 + Announce - aggregate of 74.118.138.0/24 (57866 20326) and 74.118.139.0/24 (57866 20326) 74.118.138.0/24 57866 20326 - Withdrawn - aggregated with 74.118.139.0/24 (57866 20326) 74.118.139.0/24 57866 20326 - Withdrawn - aggregated with 74.118.138.0/24 (57866 20326) 74.118.140.0/24 6939 20326 74.118.141.0/24 57866 20326 74.118.142.0/24 2914 20326 74.118.143.0/24 6939 20326 82.21.43.0/24 57866 20326 82.22.32.0/24 2914 20326 82.25.13.0/24 57866 20326 82.26.96.0/24 2914 20326 82.26.97.0/24 57866 20326 82.26.98.0/23 57866 20326 + Announce - aggregate of 82.26.98.0/24 (57866 20326) and 82.26.99.0/24 (57866 20326) 82.26.98.0/24 57866 20326 - Withdrawn - aggregated with 82.26.99.0/24 (57866 20326) 82.26.99.0/24 57866 20326 - Withdrawn - aggregated with 82.26.98.0/24 (57866 20326) 82.39.135.0/24 57866 20326 82.39.165.0/24 6939 20326 82.40.61.0/24 2914 20326 82.47.232.0/21 6939 20326 82.139.237.0/24 57866 20326 85.237.92.0/22 6939 20326 87.232.81.0/24 57866 20326 89.106.8.0/22 57866 20326 + Announce - aggregate of 89.106.8.0/23 (57866 20326) and 89.106.10.0/23 (57866 20326) 89.106.8.0/23 57866 20326 - Withdrawn - aggregated with 89.106.10.0/23 (57866 20326) 89.106.10.0/23 57866 20326 - Withdrawn - aggregated with 89.106.8.0/23 (57866 20326) 104.164.29.0/24 6939 20326 104.164.42.0/24 57866 20326 109.121.47.0/24 6939 20326 141.11.119.0/24 57866 20326 141.98.216.0/24 57866 20326 141.98.217.0/24 2914 20326 141.98.218.0/23 57866 20326 + Announce - aggregate of 141.98.218.0/24 (57866 20326) and 141.98.219.0/24 (57866 20326) 141.98.218.0/24 57866 20326 - Withdrawn - aggregated with 141.98.219.0/24 (57866 20326) 141.98.219.0/24 57866 20326 - Withdrawn - aggregated with 141.98.218.0/24 (57866 20326) 143.20.238.0/24 57866 20326 143.109.48.0/22 6939 20326 151.241.65.0/24 57866 20326 151.241.178.0/24 57866 20326 151.243.21.0/24 57866 20326 151.243.244.0/24 57866 20326 151.245.8.0/21 57866 20326 151.245.149.0/24 2914 20326 151.247.132.0/24 57866 20326 154.6.156.0/22 6939 20326 154.6.180.0/22 6939 20326 154.83.152.0/22 57866 20326 154.83.184.0/23 57866 20326 154.84.176.0/21 57866 20326 154.84.188.0/23 57866 20326 154.85.28.0/22 57866 20326 154.88.56.0/22 6939 20326 154.94.12.0/22 6939 20326 154.193.36.0/22 57866 20326 154.193.56.0/22 57866 20326 154.193.80.0/22 57866 20326 154.193.130.0/24 57866 20326 154.193.132.0/24 57866 20326 154.193.156.0/23 57866 20326 154.193.163.0/24 57866 20326 154.193.164.0/22 57866 20326 154.194.228.0/22 57866 20326 156.233.72.0/22 6939 20326 156.246.30.0/24 57866 20326 166.0.20.0/22 57866 20326 166.1.74.0/24 6939 20326 167.148.198.0/24 57866 20326 167.148.204.0/24 2914 20326 167.148.207.0/24 57866 20326 167.148.210.0/24 57866 20326 168.222.116.0/22 57866 20326 169.40.80.0/20 57866 20326 181.215.23.0/24 6939 20326 193.109.196.0/24 57866 20326 198.13.128.0/24 57866 20326 198.13.129.0/24 2914 20326 198.13.130.0/23 57866 20326 198.13.132.0/24 2914 20326 198.13.133.0/24 57866 20326 198.13.134.0/23 57866 20326 198.13.136.0/22 57866 20326 + Announce - aggregate of 198.13.136.0/23 (57866 20326) and 198.13.138.0/23 (57866 20326) 198.13.136.0/24 57866 20326 - Withdrawn - aggregated with 198.13.137.0/24 (57866 20326) 198.13.137.0/24 57866 20326 - Withdrawn - aggregated with 198.13.136.0/24 (57866 20326) 198.13.138.0/23 57866 20326 - Withdrawn - aggregated with 198.13.136.0/23 (57866 20326) 198.13.140.0/23 57866 20326 198.13.142.0/24 2914 20326 198.13.143.0/24 57866 20326 202.8.8.0/23 57866 20326 + Announce - aggregate of 202.8.8.0/24 (57866 20326) and 202.8.9.0/24 (57866 20326) 202.8.8.0/24 57866 20326 - Withdrawn - aggregated with 202.8.9.0/24 (57866 20326) 202.8.9.0/24 57866 20326 - Withdrawn - aggregated with 202.8.8.0/24 (57866 20326) 202.8.10.0/24 2914 20326 202.8.11.0/24 57866 20326 204.16.240.0/21 57866 20326 + Announce - aggregate of 204.16.240.0/22 (57866 20326) and 204.16.244.0/22 (57866 20326) 204.16.240.0/24 57866 20326 - Withdrawn - aggregated with 204.16.241.0/24 (57866 20326) 204.16.241.0/24 57866 20326 - Withdrawn - aggregated with 204.16.240.0/24 (57866 20326) 204.16.242.0/24 57866 20326 - Withdrawn - aggregated with 204.16.243.0/24 (57866 20326) 204.16.243.0/24 57866 20326 - Withdrawn - aggregated with 204.16.242.0/24 (57866 20326) 204.16.244.0/24 57866 20326 - Withdrawn - aggregated with 204.16.245.0/24 (57866 20326) 204.16.245.0/24 57866 20326 - Withdrawn - aggregated with 204.16.244.0/24 (57866 20326) 204.16.246.0/24 57866 20326 - Withdrawn - aggregated with 204.16.247.0/24 (57866 20326) 204.16.247.0/24 57866 20326 - Withdrawn - aggregated with 204.16.246.0/24 (57866 20326) 205.186.88.0/22 57866 20326 205.196.166.0/23 57866 20326 208.91.104.0/24 2497 174 20326 208.91.105.0/24 57866 20326 208.91.107.0/24 57866 20326 208.91.108.0/22 57866 20326 + Announce - aggregate of 208.91.108.0/23 (57866 20326) and 208.91.110.0/23 (57866 20326) 208.91.108.0/24 57866 20326 - Withdrawn - aggregated with 208.91.109.0/24 (57866 20326) 208.91.109.0/24 57866 20326 - Withdrawn - aggregated with 208.91.108.0/24 (57866 20326) 208.91.110.0/24 57866 20326 - Withdrawn - aggregated with 208.91.111.0/24 (57866 20326) 208.91.111.0/24 57866 20326 - Withdrawn - aggregated with 208.91.110.0/24 (57866 20326) 217.216.224.0/20 57866 20326 217.217.224.0/20 6939 20326 + Announce - aggregate of 217.217.224.0/21 (6939 20326) and 217.217.232.0/21 (6939 20326) 217.217.224.0/21 6939 20326 - Withdrawn - aggregated with 217.217.232.0/21 (6939 20326) 217.217.232.0/21 6939 20326 - Withdrawn - aggregated with 217.217.224.0/21 (6939 20326)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20326 40 More Specifics 41 Total Advertisements TERASWITCH, US
67.209.52.0/24 67.209.52.0/22
67.209.53.0/24 67.209.52.0/22
67.209.54.0/24 67.209.52.0/22
67.209.55.0/24 67.209.52.0/22
74.118.136.0/24 74.118.136.0/21
74.118.137.0/24 74.118.136.0/21
74.118.138.0/24 74.118.136.0/21
74.118.139.0/24 74.118.136.0/21
74.118.140.0/24 74.118.136.0/21
74.118.141.0/24 74.118.136.0/21
74.118.142.0/24 74.118.136.0/21
74.118.143.0/24 74.118.136.0/21
103.214.71.0/24 103.214.68.0/22
141.98.216.0/24 141.98.216.0/22
141.98.217.0/24 141.98.216.0/22
141.98.218.0/24 141.98.216.0/22
141.98.219.0/24 141.98.216.0/22
154.6.156.0/22 154.6.0.0/16
154.6.180.0/22 154.6.0.0/16
157.52.132.0/24 157.52.128.0/17
202.8.8.0/24 202.8.8.0/22
202.8.9.0/24 202.8.8.0/22
202.8.10.0/24 202.8.8.0/22
202.8.11.0/24 202.8.8.0/22
204.16.240.0/24 204.16.240.0/21
204.16.241.0/24 204.16.240.0/21
204.16.242.0/24 204.16.240.0/21
204.16.243.0/24 204.16.240.0/21
204.16.244.0/24 204.16.240.0/21
204.16.245.0/24 204.16.240.0/21
204.16.246.0/24 204.16.240.0/21
204.16.247.0/24 204.16.240.0/21
208.76.212.0/24 208.76.212.0/22
208.76.215.0/24 208.76.212.0/22
208.91.104.0/24 208.91.104.0/21
208.91.105.0/24 208.91.104.0/21
208.91.106.0/24 208.91.104.0/21
208.91.107.0/24 208.91.104.0/21
208.91.108.0/24 208.91.104.0/21
208.91.111.0/24 208.91.104.0/21
208.91.109.0/24 208.91.104.0/21
208.91.110.0/24 208.91.104.0/21
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 67.209.55.0/24 Announced
+ 208.76.215.0/24 Announced
- 208.91.109.0/24 Withdrawn
- 208.91.110.0/24 Withdrawn
whois: 402603
IANA has recorded AS20326 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20326\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.
#
ASNumber: 20326
ASName: TERASWITCH
ASHandle: AS20326
RegDate: 2007-03-26
Updated: 2025-01-16
Comment: Geofeed: http://as20326.com/ipgeo.csv
Ref: https://rdap.arin.net/registry/autnum/20326
OrgName: TeraSwitch Networks Inc.
OrgId: TERAS-2
Address: 30 Isabella St
Address: First Floor
City: Pittsburgh
StateProv: PA
PostalCode: 15212
Country: US
RegDate: 2007-05-30
Updated: 2024-05-16
Ref: https://rdap.arin.net/registry/entity/TERAS-2
OrgNOCHandle: NETWO1793-ARIN
OrgNOCName: Network Operations
OrgNOCPhone: +1-412-945-7045
OrgNOCEmail: noc@teraswitch.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NETWO1793-ARIN
OrgTechHandle: NETWO1793-ARIN
OrgTechName: Network Operations
OrgTechPhone: +1-412-945-7045
OrgTechEmail: noc@teraswitch.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO1793-ARIN
OrgRoutingHandle: ZURKU1-ARIN
OrgRoutingName: Zurku, Nick
OrgRoutingPhone: +1-412-945-7048
OrgRoutingEmail: nzurku@teraswitch.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ZURKU1-ARIN
OrgAbuseHandle: NETWO1793-ARIN
OrgAbuseName: Network Operations
OrgAbusePhone: +1-412-945-7045
OrgAbuseEmail: noc@teraswitch.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO1793-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.
#