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AS63311

20C

United States (US)

ASN Information

AS NumberAS63311
AS Name20C
Organization20C - 20C, LLC
Also known as20C
CountryUnited States (US)
RegistryARIN
ASN TypeEnterprise
Last Seen
Announcement Count7
IPv4 Prefix Count4
IPv6 Prefix Count3
RPKI StatusValid ×2NotFound ×2Unknown (could not be determined) ×3
IRR RecordsView IRR route objects
Websitehttp://20c.com ↗

AS Path to AS63311

  1. 16552DIGICERT - Tiggee LLC
  2. 3257GTT-BACKBONE GTT Communications Inc.
  3. 63311Origin

Most common path, seen 20× in route collector data, latest at a collector in São Paulo (2026-10-22 05:40:30 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 23 peer session(s)São Paulo: 33 peer session(s)Johannesburg: 41 peer session(s)Amsterdam: 45 peer session(s)Singapore: 45 peer session(s)London: 58 peer session(s)Eugene, OR: 116 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (7)

View All →
PrefixFamilyRPKILast Seen
23.182.232.0/24IPv4ValidNot looked up yet
157.97.97.0/24IPv4NotFoundNot looked up yet
204.130.133.0/24IPv4ValidNot looked up yet
208.200.137.0/24IPv4NotFoundNot looked up yet
2602:20c::/40IPv6Not checkedNot looked up yet
2602:fab7::/41IPv6Not checkedNot looked up yet
2607:fae0:f200::/44IPv6Not checkedNot looked up yet

Peers (10)

View All →
ASNameRelationshipPathsLast Seen
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)221
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)200
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)189
AS4455BSO IX Reach LtdUpstream (inferred)149
AS7922COMCAST-7922 - Comcast Cable Communications, LLCUpstream (inferred)102
AS53264SBAEDGE-603 - SBA Edge, LLCUpstream (inferred)18
AS23367AS-ADN - Adaptive Data Networks, LLCUpstream (inferred)5
AS2381WISCNET1-AS - WiscNetUpstream (inferred)4

Neighbours seen next to AS63311 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (4)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
ChIXChicago, US206.41.110.202001:504:41:110::2010GYes
ChIXChicago, US206.41.110.2202001:504:41:110::22010GYes
Chicago Open PipesChicago, US149.112.192.1202001:505:149::120200GYes
Chicago Open PipesChicago, US149.112.192.202001:505:149::201GYes
DE-CIX FrankfurtFrankfurt, DE80.81.195.242001:7f8::f74f:0:1100GYes
DE-CIX New YorkNew York, US206.82.104.1202001:504:36::f74f:0:110GYes

IX ports registered by AS63311 (self-reported by the network).

Interconnection Facilities (5)

FacilityCityCountry
Digital Realty AMS3/5/7/8/10 - AmsterdamAmsterdamNetherlands
CoreSite - Chicago (CH1)ChicagoUnited States
Digital Realty CHI (350 E Cermak)ChicagoUnited States
Equinix CH1/CH2/CH4 - ChicagoChicagoUnited States
SBA Edge, LLCChicagoUnited States

Data centres where AS63311 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETARIN::AS-20C
Member of AS-SETsSee IRR page
Peering policySelective
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
TrafficNot available
Traffic ratioBalanced
Geographic scopeGlobal
Max prefixes (IPv4 / IPv6)200 / 50
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS63311.

Only contacts the network has chosen to publish are shown.

Upstreams (10)

ASNameRelationshipPathsLast Seen
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)221
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)200
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)189
AS4455BSO IX Reach LtdUpstream (inferred)149
AS7922COMCAST-7922 - Comcast Cable Communications, LLCUpstream (inferred)102
AS53264SBAEDGE-603 - SBA Edge, LLCUpstream (inferred)18
AS23367AS-ADN - Adaptive Data Networks, LLCUpstream (inferred)5
AS2381WISCNET1-AS - WiscNetUpstream (inferred)4
AS31216BSOCOM BSO Network Solutions SASUpstream (inferred)4
AS286KPN GTT Communications Inc.Upstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS63311 in current data sources.

Registry and network details

Registered holder20C - 20C, LLC
RegisteredYes
Peering policySelective
IRR AS-setARIN::AS-20C
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges4
Facilities5
Network profile updated

Data updated . See limitations.