$ query “AS18978” --type=asn → 1 result(s)

AS18978 · ENZUINC-US

Enzu Inc

AS18978 is operated by Enzu Inc and serves as a hosting access provider, based in the United States since 2011. The system announces a solid 155 392 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Germany and Venezuela, and a smaller footprint in another country.

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 04, 2011
Last Changed
March 04, 2026
Last Seen
July 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
96 / 58
IPv6 Prefixes (raw / aggregated)
16 / 12
IPv4 Addresses
155 392
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 United States (130 816 IPs), 🇩🇪 Germany (65 536 IPs), 🇻🇪 Venezuela (4 096 IPs) and 1 more
Prefix Changed
July 07, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 155 392 total (0.00%)

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
67 networks exchanging traffic without transit
Downstream Customers
2 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
76 unique BGP neighbors
Reach
2 networks in customer cone

Upstream Providers (6)

  • AS174 — COGENT (Tier-1 transit)
  • AS137409 — GSLNETWORKS-AS-AP
  • AS6461 — MFNX (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3491 — PCCWG-AS (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (96 total)

  • 23.231.192.0/18 (16 384 addresses (/18 prefix))
  • 154.217.128.0/18 (16 384 addresses (/18 prefix))
  • 154.217.64.0/18 (16 384 addresses (/18 prefix))
  • 107.163.192.0/18 (16 384 addresses (/18 prefix))
  • 38.145.192.0/19 (8 192 addresses (/19 prefix))
  • 154.217.32.0/19 (8 192 addresses (/19 prefix))
  • 107.163.160.0/19 (8 192 addresses (/19 prefix))
  • 38.127.32.0/19 (8 192 addresses (/19 prefix))
  • 38.34.176.0/20 (4 096 addresses (/20 prefix))
  • 216.152.224.0/20 (4 096 addresses (/20 prefix))
  • 192.238.144.0/20 (4 096 addresses (/20 prefix))
  • 192.229.64.0/20 (4 096 addresses (/20 prefix))
  • 154.217.224.0/20 (4 096 addresses (/20 prefix))
  • 154.217.208.0/20 (4 096 addresses (/20 prefix))
  • 154.217.0.0/20 (4 096 addresses (/20 prefix))
  • 108.187.240.0/20 (4 096 addresses (/20 prefix))
  • 108.187.16.0/20 (4 096 addresses (/20 prefix))
  • 199.193.252.0/22 (1 024 addresses (/22 prefix))
  • 199.188.72.0/22 (1 024 addresses (/22 prefix))
  • 38.34.160.0/22 (1 024 addresses (/22 prefix))
  • 45.66.156.0/22 (1 024 addresses (/22 prefix))
  • 199.48.68.0/22 (1 024 addresses (/22 prefix))
  • 38.34.172.0/22 (1 024 addresses (/22 prefix))
  • 199.229.232.0/22 (1 024 addresses (/22 prefix))
  • 45.158.148.0/22 (1 024 addresses (/22 prefix))
  • 199.231.208.0/22 (1 024 addresses (/22 prefix))
  • 45.136.150.0/23 (512 addresses (/23 prefix))
  • 85.208.116.0/23 (512 addresses (/23 prefix))
  • 45.128.62.0/23 (512 addresses (/23 prefix))
  • 199.193.248.0/23 (512 addresses (/23 prefix))
  • 199.231.212.0/23 (512 addresses (/23 prefix))
  • 85.209.192.0/23 (512 addresses (/23 prefix))
  • 45.136.130.0/23 (512 addresses (/23 prefix))
  • 194.124.244.0/23 (512 addresses (/23 prefix))
  • 45.136.118.0/23 (512 addresses (/23 prefix))
  • 45.136.112.0/23 (512 addresses (/23 prefix))
  • 38.34.164.0/23 (512 addresses (/23 prefix))
  • 85.208.118.0/24 (256 addresses (/24 prefix))
  • 5.180.41.0/24 (256 addresses (/24 prefix))
  • 154.29.82.0/24 (256 addresses (/24 prefix))
  • 38.34.166.0/24 (256 addresses (/24 prefix))
  • 5.180.28.0/24 (256 addresses (/24 prefix))
  • 5.180.26.0/24 (256 addresses (/24 prefix))
  • 154.17.154.0/24 (256 addresses (/24 prefix))
  • 5.180.25.0/24 (256 addresses (/24 prefix))
  • 5.180.44.0/24 (256 addresses (/24 prefix))
  • 5.180.146.0/24 (256 addresses (/24 prefix))
  • 194.59.220.0/24 (256 addresses (/24 prefix))
  • 154.37.88.0/24 (256 addresses (/24 prefix))
  • 45.128.61.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (16 total)

  • 2a10:a9c0::/29
  • 2605:f700:500::/40
  • 2605:f700:800::/40
  • 2605:f700:480::/41
  • 2605:f700:140::/42
  • 2605:f700:a00::/42
  • 2605:f700:40::/44
  • 2605:f700:80::/44
  • 2605:f700:c0::/44
  • 2605:f700:100::/44
  • 2605:f700:180::/44
  • 2605:f700:10::/48