$ query “AS19551” --type=asn → 1 result(s)

AS19551 · INCAPSULA

Imperva-Cloud

AS19551 is run by Imperva-Cloud and is a major transit provider, established in the United States in 2011. The system announces a solid 221 440 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the Netherlands and Australia, and smaller footprints in 6 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 05, 2011
Last Changed
May 10, 2026
Last Seen
May 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
865 / 191
IPv6 Prefixes (raw / aggregated)
706 / 153
IPv4 Addresses
221 440
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/43
Geolocated Countries
🇺🇸 United States (205 568 IPs), 🇳🇱 Netherlands (11 264 IPs), 🇦🇺 Australia (2 816 IPs) and 6 more
Prefix Changed
May 13, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
41 upstreams providing transit
Peers
537 networks exchanging traffic without transit
Downstream Customers
160 downstreams buying transit
Unclassified
15 unclassified BGP neighbors
Degree
753 unique BGP neighbors
Reach
5 969 networks in customer cone

Upstream Providers (41)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS7713 — TELKOMNET-AS-AP
  • AS9002 — RETN-AS
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS30844 — LIQUID-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS4826 — VOCUS-BACKBONE-AS
  • AS9498 — BBIL-AP
  • and 31 more

Prefix Lists

IPv4 Prefixes (865 total)

  • 45.60.64.0/19 (8 192 addresses (/19 prefix))
  • 45.60.0.0/19 (8 192 addresses (/19 prefix))
  • 107.154.160.0/19 (8 192 addresses (/19 prefix))
  • 45.60.128.0/19 (8 192 addresses (/19 prefix))
  • 45.223.128.0/19 (8 192 addresses (/19 prefix))
  • 45.223.96.0/19 (8 192 addresses (/19 prefix))
  • 45.223.48.0/20 (4 096 addresses (/20 prefix))
  • 45.223.160.0/20 (4 096 addresses (/20 prefix))
  • 45.60.96.0/20 (4 096 addresses (/20 prefix))
  • 45.223.64.0/20 (4 096 addresses (/20 prefix))
  • 131.125.144.0/20 (4 096 addresses (/20 prefix))
  • 45.223.16.0/20 (4 096 addresses (/20 prefix))
  • 107.154.64.0/20 (4 096 addresses (/20 prefix))
  • 107.154.16.0/20 (4 096 addresses (/20 prefix))
  • 107.154.112.0/20 (4 096 addresses (/20 prefix))
  • 45.60.240.0/20 (4 096 addresses (/20 prefix))
  • 107.154.144.0/20 (4 096 addresses (/20 prefix))
  • 45.60.32.0/20 (4 096 addresses (/20 prefix))
  • 107.154.192.0/20 (4 096 addresses (/20 prefix))
  • 107.154.224.0/20 (4 096 addresses (/20 prefix))
  • 107.154.208.0/21 (2 048 addresses (/21 prefix))
  • 107.154.8.0/21 (2 048 addresses (/21 prefix))
  • 45.223.192.0/21 (2 048 addresses (/21 prefix))
  • 45.223.240.0/21 (2 048 addresses (/21 prefix))
  • 45.223.176.0/21 (2 048 addresses (/21 prefix))
  • 131.125.136.0/21 (2 048 addresses (/21 prefix))
  • 45.60.48.0/21 (2 048 addresses (/21 prefix))
  • 45.60.200.0/21 (2 048 addresses (/21 prefix))
  • 199.83.128.0/21 (2 048 addresses (/21 prefix))
  • 45.223.88.0/21 (2 048 addresses (/21 prefix))
  • 107.154.40.0/21 (2 048 addresses (/21 prefix))
  • 45.223.32.0/21 (2 048 addresses (/21 prefix))
  • 45.60.120.0/21 (2 048 addresses (/21 prefix))
  • 107.154.88.0/21 (2 048 addresses (/21 prefix))
  • 45.223.0.0/21 (2 048 addresses (/21 prefix))
  • 107.154.104.0/21 (2 048 addresses (/21 prefix))
  • 192.230.88.0/21 (2 048 addresses (/21 prefix))
  • 192.230.120.0/21 (2 048 addresses (/21 prefix))
  • 107.154.136.0/21 (2 048 addresses (/21 prefix))
  • 45.60.160.0/21 (2 048 addresses (/21 prefix))
  • 198.143.48.0/22 (1 024 addresses (/22 prefix))
  • 198.143.60.0/22 (1 024 addresses (/22 prefix))
  • 45.60.176.0/22 (1 024 addresses (/22 prefix))
  • 107.154.100.0/22 (1 024 addresses (/22 prefix))
  • 45.223.204.0/22 (1 024 addresses (/22 prefix))
  • 45.60.220.0/22 (1 024 addresses (/22 prefix))
  • 107.154.216.0/22 (1 024 addresses (/22 prefix))
  • 107.154.60.0/22 (1 024 addresses (/22 prefix))
  • 107.154.52.0/22 (1 024 addresses (/22 prefix))
  • 198.143.44.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (706 total)

  • 2a02:e980:100::/43
  • 2a02:e980:60::/43
  • 2a02:e980:160::/43
  • 2a02:e980:80::/43
  • 2a02:e980:f0::/44
  • 2a02:e980::/44
  • 2a02:e980:50::/44
  • 2a02:e980:200::/44
  • 2a02:e980:220::/44
  • 2a02:e981:40::/44
  • 2a02:e980:a0::/44
  • 2a02:e980:1c0::/44
  • 2a02:e980:190::/44
  • 2a02:e980:250::/45
  • 2a02:e982:38::/45
  • 2a02:e981:68::/45
  • 2a02:e980:10::/45
  • 2a02:e980:40::/45
  • 2a02:e980:38::/45
  • 2a02:e980:1b0::/45
  • 2a02:e980:180::/45
  • 2a02:e980:b0::/45
  • 2a02:e980:158::/45
  • 2a02:e981:50::/45
  • 2a02:e982:48::/45
  • 2a02:e980:1d0::/45
  • 2a02:e980:c0::/45
  • 2a02:e981:30::/45
  • 2a02:e981:28::/45
  • 2a02:e980:148::/45
  • 2a02:e980:130::/45
  • 2a02:e980:d0::/45
  • 2a02:e980:1a8::/45
  • 2a02:e980:128::/45
  • 2a02:e980:230::/45
  • 2a02:e980:28::/45
  • 2a02:e980:1e8::/45
  • 2a02:e980:210::/45
  • 2a02:e980:13c::/46
  • 2a02:e980:34::/46
  • 2a02:e980:1fc::/46
  • 2a02:e980:ec::/46
  • 2a02:e982:40::/46
  • 2a02:e980:20::/46
  • 2a02:e980:120::/46
  • 2a02:e980:1f4::/46
  • 2a02:e980:e0::/46
  • 2a02:e980:238::/46
  • 2a02:e981:4::/46
  • 2a02:e980:1d8::/46