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AS109

Cisco

United States (US)

ASN Information

AS NumberAS109
AS NameCISCOSYSTEMS
OrganizationCISCOSYSTEMS - CISCO SYSTEMS, INC.
Also known asCisco
CountryUnited States (US)
RegistryARIN
ASN TypeEnterprise
Last Seen
Announcement Count142
IPv4 Prefix Count96
IPv6 Prefix Count46
RPKI StatusValid ×48NotFound ×2
IRR RecordsView IRR route objects
Websitehttp://www.cisco.com ↗

AS Path to AS109

  1. 49544i3Dnet i3D.net B.V
  2. 3356LEVEL3 - Level 3 Parent, LLC
  3. 109Origin

Most common path, seen 18× in route collector data, latest at a collector in Eugene, OR (2026-10-23 12:41:07 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 14 peer session(s)São Paulo: 18 peer session(s)Johannesburg: 23 peer session(s)Amsterdam: 25 peer session(s)Singapore: 25 peer session(s)London: 33 peer session(s)Eugene, OR: 57 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 (142)

View All →
PrefixFamilyRPKILast Seen
12.5.186.0/23IPv4NotFoundNot looked up yet
12.19.88.0/21IPv4NotFoundNot looked up yet
12.159.148.0/22IPv4ValidNot looked up yet
64.100.0.0/16IPv4ValidNot looked up yet
64.101.0.0/18IPv4ValidNot looked up yet
64.101.64.0/18IPv4ValidNot looked up yet
64.101.96.0/19IPv4ValidNot looked up yet
64.101.128.0/18IPv4ValidNot looked up yet

Peers (19)

View All →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)459
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)209
AS701UUNET - Verizon BusinessUpstream (inferred)183
AS11164INTERNET2-I2PX - Internet2Upstream (inferred)19
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)15
AS1221ASN-TELSTRA - Telstra LimitedUpstream (inferred)Inferred—
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)Inferred—
AS1680NV-ASN - Cellcom Fixed Line Communication L.PUpstream (inferred)Inferred—

Neighbours seen next to AS109 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 (9)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
AMS-IXAmsterdam, NL80.249.211.502001:7f8:1::a500:109:110GNo
DE-CIX MumbaiMumbai, IN103.27.171.1972401:7500:fff6::26610GNo
Equinix AshburnAshburn, US206.126.237.852001:504:0:2::109:120GNo
Equinix DallasDallas, US206.223.118.1662001:504:0:5::109:110GNo
Equinix DallasDallas, US206.223.118.1672001:504:0:5::109:210GNo
Equinix San JoseSan Jose, US206.223.116.532001:504:0:1::109:120GNo
Equinix SingaporeSingapore, SG27.111.228.1942001:de8:4::109:110GNo
Equinix SydneySydney, AU45.127.172.2262001:de8:6::109:110GNo
Equinix TokyoTokyo, JP203.190.230.902001:de8:5::109:110GNo
LINX LON1London, GB195.66.227.1432001:7f8:4::6d:110GNo

IX ports registered by AS109 (self-reported by the network).

Interconnection Facilities (16)

View all →
FacilityCityCountry
Equinix SY3 - SydneySydneyAustralia
Equinix SH3 - ShanghaiShanghaiChina
Equinix LD8 - London, DocklandsLondonUnited Kingdom
Equinix MB2 - Mumbai (GPX Mumbai 2)MumbaiIndia
Equinix TY1 - TokyoTokyoJapan
Equinix AM1/AM2 - Amsterdam, LuttenbergwegAmsterdamNetherlands
NorthC Oude MeerOude MeerNetherlands
Equinix SG1 - SingaporeSingaporeSingapore
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUnited States
Equinix DA1 - DallasDallasUnited States
Level(3) DallasDallasUnited States
Flexential - Raleigh (RAL01/02/03)MorrisvilleUnited States
Level(3) RaleighRaleighUnited States
CoreSite - San Jose (SV1)San JoseUnited States
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan JoseUnited States

Data centres where AS109 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-CISCO
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)100 / 5
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS109.

Only contacts the network has chosen to publish are shown.

Upstreams (19)

View all →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)459
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)209
AS701UUNET - Verizon BusinessUpstream (inferred)183
AS11164INTERNET2-I2PX - Internet2Upstream (inferred)19
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)15
AS1221ASN-TELSTRA - Telstra LimitedUpstream (inferred)Inferred—
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)Inferred—
AS1680NV-ASN - Cellcom Fixed Line Communication L.PUpstream (inferred)Inferred—
AS2764AAPT - AAPT LimitedUpstream (inferred)Inferred—
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.Upstream (inferred)Inferred—
AS4637ASN-TELSTRA-GLOBAL - Telstra GlobalUpstream (inferred)Inferred—
AS4657STARHUB-INTERNET - StarHub LtdUpstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS109 in current data sources.

Registry and network details

Registered holderCISCOSYSTEMS - CISCO SYSTEMS, INC.
RegisteredYes
Peering policySelective
IRR AS-setAS-CISCO
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges9
Facilities16
Network profile updated

Data updated . See limitations.