$ query “AS4455” --type=asn → 1 result(s)
AS4455 · BSO
IX Reach Ltd
AS4455 is run by IX Reach Ltd and is a major transit provider, based in the United Kingdom since 2021. The system announces a respectable 64 000 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in France, with additional presence in the United Kingdom and the United States, and smaller footprints in 14 additional countries. Prefix announcements for this AS were recently updated.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #39 by Degree — Top 100 by unique BGP neighbor count
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- April 01, 2021
- Last Changed
- March 04, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 44 / 13
- IPv6 Prefixes (raw / aggregated)
- 14 / 4
- IPv4 Addresses
- 64 000
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇫🇷 France (58 224 IPs), 🇬🇧 United Kingdom (30 240 IPs), 🇺🇸 United States (16 512 IPs) and 14 more
- Prefix Changed
- May 19, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 64 000 total (0.00%)
Connectivity Summary
- Upstream Providers
- 7 upstreams providing transit
- Peers
- 2 210 networks exchanging traffic without transit
- Downstream Customers
- 81 downstreams buying transit
- Unclassified
- 7 unclassified BGP neighbors
- Degree
- 2 305 unique BGP neighbors
- Reach
- 196 networks in customer cone
Upstream Providers (7)
Prefix Lists
IPv4 Prefixes (44 total)
- 89.30.0.0/17 (32 768 addresses (/17 prefix))
- 31.217.128.0/19 (8 192 addresses (/19 prefix))
- 212.121.32.0/19 (8 192 addresses (/19 prefix))
- 206.41.72.0/21 (2 048 addresses (/21 prefix))
- 46.18.168.0/21 (2 048 addresses (/21 prefix))
- 83.243.16.0/21 (2 048 addresses (/21 prefix))
- 8.29.192.0/21 (2 048 addresses (/21 prefix))
- 208.48.160.0/21 (2 048 addresses (/21 prefix))
- 185.55.16.0/22 (1 024 addresses (/22 prefix))
- 195.49.140.0/22 (1 024 addresses (/22 prefix))
- 193.218.12.0/22 (1 024 addresses (/22 prefix))
- 91.196.184.0/22 (1 024 addresses (/22 prefix))
- 193.27.78.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (14 total)
- 2401:5180::/32
- 2a01:8200::/32
- 2a02:27f0::/32
- 2001:67c:1254::/48