$ query “AS204018” --type=asn → 1 result(s)
AS204018 · CITYFIBRE
ENTANET International Limited
AS204018 is operated by ENTANET International Limited and serves as an enterprise stub network, based in the United Kingdom since 2015. The system announces 256 IPv4 addresses. Most of its address space is geolocated to the United Kingdom. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 14, 2015
- Last Changed
- July 15, 2026
- Last Seen
- August 07, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇬🇧 United Kingdom (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Peers
- 1 network exchanging traffic without transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS3356 — LEVEL3 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (1 total)
- 156.67.240.0/24 (256 addresses (/24 prefix))