$ query “AS31500” --type=asn → 1 result(s)
AS31500 · GNM-AS
Global Network Management Inc
AS31500 is run by Global Network Management Inc and is a major transit provider, based in Antigua & Barbuda since 2004. The system announces a respectable 14 848 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the Netherlands, with additional presence in Russia and the United States, and smaller footprints in 4 additional countries.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #1 in Antigua & Barbuda — Top 10 by reach within country
Basic Information
- Country
- 🇦🇬 Antigua & Barbuda
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 28, 2004
- Last Changed
- May 01, 2026
- Last Seen
- June 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 37 / 13
- IPv6 Prefixes (raw / aggregated)
- 7 / 2
- IPv4 Addresses
- 14 848
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇳🇱 Netherlands (15 104 IPs), 🇷🇺 Russia (11 776 IPs), 🇺🇸 United States (1 024 IPs) and 4 more
- Prefix Changed
- April 17, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 7 upstreams providing transit
- Peers
- 728 networks exchanging traffic without transit
- Downstream Customers
- 173 downstreams buying transit
- Unclassified
- 35 unclassified BGP neighbors
- Degree
- 943 unique BGP neighbors
- Reach
- 33 423 networks in customer cone
Upstream Providers (7)
Prefix Lists
IPv4 Prefixes (37 total)
- 95.140.80.0/20 (4 096 addresses (/20 prefix))
- 95.161.240.0/20 (4 096 addresses (/20 prefix))
- 109.239.128.0/21 (2 048 addresses (/21 prefix))
- 94.124.180.0/22 (1 024 addresses (/22 prefix))
- 109.239.140.0/22 (1 024 addresses (/22 prefix))
- 109.239.138.0/23 (512 addresses (/23 prefix))
- 178.18.228.0/23 (512 addresses (/23 prefix))
- 83.243.69.0/24 (256 addresses (/24 prefix))
- 95.161.128.0/24 (256 addresses (/24 prefix))
- 91.108.50.0/24 (256 addresses (/24 prefix))
- 91.108.40.0/24 (256 addresses (/24 prefix))
- 178.18.232.0/24 (256 addresses (/24 prefix))
- 185.26.75.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (7 total)
- 2001:b28::/32
- 2a03:5f80::/46