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

AS19551 · INCAPSULA

Imperva-Cloud

AS19551 is operated by Imperva-Cloud and serves as a major transit provider, established in the United States in 2011. The system announces a solid 224 256 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 has recently updated its prefix announcements.

  • 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
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
876 / 203
IPv6 Prefixes (raw / aggregated)
710 / 161
IPv4 Addresses
224 256
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/43
Geolocated Countries
🇺🇸 United States (205 824 IPs), 🇳🇱 Netherlands (13 824 IPs), 🇦🇺 Australia (2 560 IPs) and 6 more
Prefix Changed
June 23, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
37 upstreams providing transit
Peers
545 networks exchanging traffic without transit
Downstream Customers
164 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
757 unique BGP neighbors
Reach
12 614 networks in customer cone

Upstream Providers (37)

Prefix Lists

IPv4 Prefixes (876 total)

  • 107.154.160.0/19 (8 192 addresses (/19 prefix))
  • 45.60.128.0/19 (8 192 addresses (/19 prefix))
  • 45.60.64.0/19 (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))
  • 45.60.240.0/20 (4 096 addresses (/20 prefix))
  • 45.223.64.0/20 (4 096 addresses (/20 prefix))
  • 45.223.48.0/20 (4 096 addresses (/20 prefix))
  • 45.60.0.0/20 (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))
  • 107.154.144.0/20 (4 096 addresses (/20 prefix))
  • 107.154.16.0/20 (4 096 addresses (/20 prefix))
  • 107.154.192.0/20 (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))
  • 45.60.176.0/20 (4 096 addresses (/20 prefix))
  • 131.125.144.0/20 (4 096 addresses (/20 prefix))
  • 45.60.120.0/21 (2 048 addresses (/21 prefix))
  • 45.223.0.0/21 (2 048 addresses (/21 prefix))
  • 45.223.240.0/21 (2 048 addresses (/21 prefix))
  • 45.60.160.0/21 (2 048 addresses (/21 prefix))
  • 45.223.192.0/21 (2 048 addresses (/21 prefix))
  • 107.154.8.0/21 (2 048 addresses (/21 prefix))
  • 192.230.88.0/21 (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))
  • 45.60.16.0/21 (2 048 addresses (/21 prefix))
  • 199.83.128.0/21 (2 048 addresses (/21 prefix))
  • 45.60.200.0/21 (2 048 addresses (/21 prefix))
  • 45.223.88.0/21 (2 048 addresses (/21 prefix))
  • 107.154.232.0/21 (2 048 addresses (/21 prefix))
  • 45.60.32.0/21 (2 048 addresses (/21 prefix))
  • 198.143.48.0/21 (2 048 addresses (/21 prefix))
  • 107.154.208.0/21 (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))
  • 192.230.104.0/21 (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))
  • 107.154.56.0/21 (2 048 addresses (/21 prefix))
  • 45.60.48.0/21 (2 048 addresses (/21 prefix))
  • 107.154.88.0/21 (2 048 addresses (/21 prefix))
  • 107.154.112.0/21 (2 048 addresses (/21 prefix))
  • 107.154.104.0/21 (2 048 addresses (/21 prefix))
  • 45.60.212.0/22 (1 024 addresses (/22 prefix))
  • 107.154.240.0/22 (1 024 addresses (/22 prefix))
  • 107.154.120.0/22 (1 024 addresses (/22 prefix))
  • 45.60.44.0/22 (1 024 addresses (/22 prefix))
  • 107.154.132.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (710 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:e980:130::/45
  • 2a02:e980:210::/45
  • 2a02:e980:10::/45
  • 2a02:e981:68::/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:e982:48::/45
  • 2a02:e981:50::/45
  • 2a02:e980:1d0::/45
  • 2a02:e980:c0::/45
  • 2a02:e980:148::/45
  • 2a02:e981:30::/45
  • 2a02:e981:28::/45
  • 2a02:e980:1e8::/45
  • 2a02:e980:d0::/45
  • 2a02:e980:1a8::/45
  • 2a02:e980:128::/45
  • 2a02:e980:230::/45
  • 2a02:e980:28::/45
  • 2a02:e982:38::/45
  • 2a02:e982:20::/46
  • 2a02:e980:13c::/46
  • 2a02:e980:e0::/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:e980:1c::/46
  • 2a02:e980:244::/46
  • 2a02:e980:254::/46
  • 2a02:e981:10::/46