$ query “AS34977” --type=asn → 1 result(s)

AS34977 · PROCONO-AS

PROCONO S.A.

AS34977 is owned by PROCONO S.A. and is a mid-size transit provider, based in Spain since 2005. The system announces a respectable 96 768 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Spain, with additional presence in the United States and Unknown Region.

Basic Information

Country
🇪🇸 Spain
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 11, 2005
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
164 / 31
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
96 768
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇪🇸 Spain (169 472 IPs), 🇺🇸 United States (10 240 IPs), 🇿🇿 Unknown Region (2 048 IPs)
Prefix Changed
March 27, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 96 768 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
7 networks exchanging traffic without transit
Downstream Customers
9 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
20 unique BGP neighbors
Reach
27 networks in customer cone

Upstream Providers (2)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (164 total)

  • 212.225.128.0/17 (32 768 addresses (/17 prefix))
  • 46.37.64.0/19 (8 192 addresses (/19 prefix))
  • 149.91.96.0/19 (8 192 addresses (/19 prefix))
  • 89.39.16.0/20 (4 096 addresses (/20 prefix))
  • 37.61.144.0/20 (4 096 addresses (/20 prefix))
  • 93.114.144.0/20 (4 096 addresses (/20 prefix))
  • 91.151.96.0/20 (4 096 addresses (/20 prefix))
  • 171.33.232.0/21 (2 048 addresses (/21 prefix))
  • 89.32.112.0/21 (2 048 addresses (/21 prefix))
  • 89.35.136.0/21 (2 048 addresses (/21 prefix))
  • 86.106.0.0/21 (2 048 addresses (/21 prefix))
  • 195.82.112.0/21 (2 048 addresses (/21 prefix))
  • 89.37.72.0/21 (2 048 addresses (/21 prefix))
  • 89.38.16.0/21 (2 048 addresses (/21 prefix))
  • 154.56.136.0/21 (2 048 addresses (/21 prefix))
  • 89.39.152.0/21 (2 048 addresses (/21 prefix))
  • 86.106.64.0/21 (2 048 addresses (/21 prefix))
  • 103.51.76.0/22 (1 024 addresses (/22 prefix))
  • 185.216.52.0/22 (1 024 addresses (/22 prefix))
  • 89.36.4.0/22 (1 024 addresses (/22 prefix))
  • 195.82.100.0/22 (1 024 addresses (/22 prefix))
  • 5.23.12.0/22 (1 024 addresses (/22 prefix))
  • 185.252.172.0/22 (1 024 addresses (/22 prefix))
  • 185.13.200.0/22 (1 024 addresses (/22 prefix))
  • 87.101.88.0/22 (1 024 addresses (/22 prefix))
  • 176.126.196.0/23 (512 addresses (/23 prefix))
  • 188.208.28.0/23 (512 addresses (/23 prefix))
  • 195.82.126.0/23 (512 addresses (/23 prefix))
  • 89.36.2.0/23 (512 addresses (/23 prefix))
  • 88.212.190.0/24 (256 addresses (/24 prefix))
  • 88.212.188.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2a03:a680:41::/48
  • 2a03:a680:45::/48