Autonomous System
AS19637 — AVG19637 - Avago Technologies U.S. Inc.(US)
Last fetched
AS19637 is an Autonomous System operated by AVG19637 - Avago Technologies U.S. Inc. and registered in US. As of Thu, 21 May 2026 01:05:17 GMT, it announces 104 routed IP prefixes and peers with 20 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS19637 announces 104 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 135.14.66.0/24
- 135.14.148.0/24
- 135.14.176.0/24
- 135.14.196.0/24
- 135.14.212.0/24
- 135.14.228.0/24
- 135.14.236.0/24
- 135.14.238.0/24
- 135.14.252.0/24
- 135.14.254.0/24
- 141.202.248.0/24
- 141.202.253.0/24
- 192.19.20.0/24
- 192.19.22.0/24
- 192.19.24.0/24
- 192.19.36.0/24
- 192.19.50.0/24
- 192.19.59.0/24
- 192.19.66.0/24
- 192.19.124.0/24
- 192.19.125.0/24
- 192.19.126.0/24
- 192.19.131.0/24
- 192.19.132.0/24
- 192.19.134.0/24
Peering ecosystem
20 distinct peers via BGP. The first 20 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1299 | TWELVE99 Arelion, fka Telia Carrier | SE |
| AS397142 | FORT-COLLINS-CONNEXION - City of Fort Collins | US |
| AS202940 | ITCNG ITC Internet Service Provider | IL |
| AS33652 | CMCS - Comcast Cable Communications, LLC | US |
| AS28725 | CETIN-AS | CZ |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | US |
| AS9930 | TTNET-MY TIME dotCom Berhad No. 14, Jalan Majistret U126 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | MY |
| AS9924 | TFN-TW Taiwan Fixed Network, Telco and Network Service Provider. | TW |
| AS9584 | GENESIS-AP Diyixian.com Limited | HK |
| AS9498 | BBIL-AP BHARTI Airtel Ltd. | IN |
| AS8866 | VIVACOM-AS BULGARIA | BG |
| AS8455 | ATOM86-AS ATOM86 | NL |
| AS8220 | COLT COLT Technology Services Group Limited | GB |
| AS7474 | OPTUSCOM-AS01-AU SingTel Optus Pty Ltd | AU |
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | US |
| AS6461 | ZAYO-6461 - Zayo Bandwidth | US |
| AS4766 | KIXS-AS-KR Korea Telecom | KR |
| AS3491 | PCCWG-APAC-HK PCCW Global HK Ltd. | HK |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS3257 | GTT-BACKBONE GTT | US |
Blast radius
Approximate count of dependent hostnames if AS19637 disappeared from the routing table.
~42 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 01:05:17 GMT.
MOAS / hijack watch
Prefixes routed by AS19637 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 AS19637 is unique to AS19637 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS19637.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS19637"})-[: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.