Autonomous System
AS109 — CISCOSYSTEMS - CISCO SYSTEMS, INC.(US)
Last fetched
AS109 is an Autonomous System operated by CISCOSYSTEMS - CISCO SYSTEMS, INC. and registered in US. As of Tue, 04 Aug 2026 03:31:18 GMT, it announces 137 routed IP prefixes and peers with 17 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS109 announces 137 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 12.5.186.0/23
- 12.19.88.0/21
- 12.159.148.0/22
- 64.100.0.0/16
- 64.101.0.0/18
- 64.101.64.0/18
- 64.101.96.0/19
- 64.101.128.0/18
- 64.101.192.0/19
- 64.101.224.0/19
- 64.102.0.0/16
- 64.102.249.0/24
- 64.103.40.0/21
- 64.103.48.0/21
- 64.103.0.0/17
- 64.103.64.0/19
- 64.103.96.0/20
- 64.103.0.0/16
- 64.103.128.0/17
- 64.104.0.0/18
- 64.104.64.0/19
- 64.104.96.0/19
- 64.104.124.0/24
- 64.104.0.0/16
- 64.104.128.0/19
Peering ecosystem
17 distinct peers via BGP. The first 17 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1221 | ASN-TELSTRA - Telstra Limited | AU |
| AS1299 | TWELVE99 - Arelion Sweden AB | SE |
| AS1680 | NV-ASN - Cellcom Fixed Line Communication L.P | IL |
| AS17621 | CNCGROUP-SH - China Unicom Shanghai network | CN |
| AS2764 | AAPT - AAPT Limited | AU |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS3491 | PCCWG-APAC-HK - PCCW Global (HK) Ltd. | HK |
| AS4637 | ASN-TELSTRA-GLOBAL - Telstra Global | HK |
| AS4657 | STARHUB-INTERNET - StarHub Ltd | SG |
| AS4755 | TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP | IN |
| AS4812 | CHINANET-SH-AP - China Telecom (Group) | CN |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS701 | UUNET - Verizon Business | US |
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | US |
| AS7473 | SINGTEL-AS-AP - Singapore Telecommunications Ltd | SG |
| AS8551 | BEZEQ-INTERNATIONAL-AS - Bezeq International Ltd. | IL |
| AS9498 | BBIL-AP - BHARTI Airtel Ltd. | IN |
Blast radius
Count of dependent hostnames if AS109 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS109 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS109 is unique to AS109 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS109.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS109"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.