Network
AS19905 Arbor Cloud
- Autonomous system number
- AS19905
- Registered in
- US
- Registry
- ARIN
- ASN registered
- 2007-08-24
- IPv4 prefixes announced
- 127
- IPv6 prefixes announced
- 26
- Internet exchanges
- 0
- Data centres
- 15
- Internet users (estimate)
- ~94,387
- Company
- Neustar - 1,488 employees
Prefix counts from the global routing table as of 2026-10-04. Not counted: 3 more prefixes this network originates that few routers see, inside address space AS8781, AS28885 announces widely. Exchange and data-centre counts are what the network lists in PeeringDB. User estimate by APNIC Labs, 2026-09-30. Company facts from Wikidata. Website: www.neustarsecurityservices.com
Upstreams and peers, traceroute paths through it, where it hands off to its transit providers, routing history and alerts - free with an account, and queryable from Claude, ChatGPT and other AI agents through the BGPScout MCP server.
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