$ query “AS4455” --type=asn → 1 result(s)

AS4455 — BSO

IX Reach Ltd

AS4455 is a major transit provider operated by IX Reach Ltd, registered in the United Kingdom since 2021. The network announces a respectable 64 000 IPv4 addresses. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #40 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
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
43 / 13
IPv6 Prefixes (raw / aggregated)
14 / 4
IPv4 Addresses
64 000
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇫🇷 FR (86 IPs), 🇬🇧 GB (21 IPs), 🇺🇸 US (14 IPs), 🇳🇱 NL, 🇦🇪 AE, 🇸🇬 SG, 🇯🇵 JP, 🇭🇰 HK, 🇹🇷 TR, 🇩🇪 DE, 🇪🇸 ES, 🇮🇪 IE, 🇦🇺 AU, 🇨🇭 CH and 3 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 64 000 total (0.00%)

Connectivity Summary

Upstream Providers
7 upstream autonomous systems providing transit
Peers
2 211 autonomous systems exchanging traffic without transit fees
Downstream Customers
82 downstream autonomous systems buying transit
Degree
2 309 unique BGP neighbors (providers + customers + peers)
Reach
315 — customer cone size measuring network influence
Degree Rank
#40
Reach Rank
#741

Upstream Providers (7)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS8529 — OMANTEL-AS
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS43531 — IXREACH
  • AS44530 — HOPUS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (43 total)

  • 89.30.0.0/17 (32 768 addresses)
  • 31.217.128.0/19 (8 192 addresses)
  • 212.121.32.0/19 (8 192 addresses)
  • 8.29.192.0/21 (2 048 addresses)
  • 46.18.168.0/21 (2 048 addresses)
  • 83.243.16.0/21 (2 048 addresses)
  • 206.41.72.0/21 (2 048 addresses)
  • 208.48.160.0/21 (2 048 addresses)
  • 91.196.184.0/22 (1 024 addresses)
  • 185.55.16.0/22 (1 024 addresses)
  • 193.218.12.0/22 (1 024 addresses)
  • 195.49.140.0/22 (1 024 addresses)
  • 193.27.78.0/23 (512 addresses)

IPv6 Prefixes (14 total)

  • 2401:5180::/32
  • 2a01:8200::/32
  • 2a02:27f0::/32
  • 2001:67c:1254::/48