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ASN lookup result for AS201838 Community Fibre Limited — network size, BGP routing and registration

GBAS201838Community Fibre LimitedISP
WHOIS Topology

United Kingdom · RIPE NCCcommunityfibre.co.uk

Home broadbandRPKI filteringTor relays

IPv4 addresses

221,952

101 announced prefixes

IPv6 addresses

1.34 × 10³⁰

2 announced prefixes

BGP neighbours

…

CAIDA rank

#8,014

Customer cone 2 ASNs

Estimated users

225K

APNIC: 223K

RPKI

97% valid

0 invalid · 3 not covered

Average purity

91

447 sampled IPs

IXPs / facilities

4 / 3

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
147.12.128.0/17ValidGBUK-COMMUNITYFIBRE-19910328RIPEGBLondon32,768
149.22.128.0/17Not found—GBManor Park32,768
149.34.128.0/18Not found—GBDagenham16,384
212.132.192.0/18ValidGBUK-COMMUNITYFIBRE-19981119RIPEGBCamden16,384
161.51.192.0/19ValidGBUK-COMMUNITYFIBRE-161-51-192-0RIPEGBLondon8,192
168.199.64.0/19ValidGBUK-COMMUNITYFIBRE-168-199-64-0RIPEGBLondon8,192
89.36.112.0/20ValidGBUK-COMMUNITYFIBRE-20051129RIPEGBLondon4,096
89.45.176.0/20ValidGBUK-COMMUNITYFIBRE-20051129RIPEGBFulham4,096
89.222.16.0/20ValidGBUK-COMMUNITYFIBRE-20060907RIPEGBLondon4,096
161.51.48.0/20ValidGBNL-LEGACO-19920527RIPEGBLondon4,096
161.51.224.0/20ValidGBUK-COMMUNITYFIBRE-161-51-224-0RIPEGBRomford4,096
45.132.136.0/21ValidGBUK-COMMUNITYFIBRE-20190723RIPEGBLondon2,048
89.43.208.0/21ValidGBUK-COMMUNITYFIBRE-20051129RIPEGBLondon2,048
178.255.88.0/21ValidGBUK-COMMUNITYFIBRE-20100707RIPEGBLondon2,048
45.12.172.0/22ValidGBUK-COMMUNITYFIBRE-20190501RIPEGBLondon1,024
45.81.72.0/22ValidGBUK-COMMUNITYFIBRE-20190517RIPEGBLondon1,024
45.86.8.0/22ValidGBUK-COMMUNITYFIBRE-20190607RIPEGBLondon1,024
45.89.84.0/22ValidGBUK-COMMUNITYFIBRE-20190620RIPEGBLondon1,024
45.89.156.0/22ValidGBUK-COMMUNITYFIBRE-20190621RIPEGBAbbey Wood1,024
45.90.172.0/22ValidGBUK-COMMUNITYFIBRE-20190625RIPEGBLondon1,024

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 124 / 867 （14%） · flagged 28

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

147.12.128.0/1714/128 with data · 3 flagged

212.132.192.0/187/64 with data · 2 flagged

149.34.128.0/185/64 with data · 1 flagged

149.22.128.0/174/128 with data · 2 flagged

168.199.64.0/194/32 with data · 0 flagged

89.45.176.0/204/16 with data · 0 flagged

45.146.8.0/224/4 with data · 1 flagged

80.76.56.0/224/4 with data · 0 flagged

95.214.228.0/224/4 with data · 1 flagged

103.7.204.0/224/4 with data · 4 flagged

185.237.60.0/224/4 with data · 1 flagged

185.241.164.0/224/4 with data · 0 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 34770–84 8550–69 140–49 1

0.16%

Share of IPv4 reported or blocklisted

345

Listed IPs

447

Analysed IPs

Riskiest /24 blocks

/24 blockFlaggedAnalysed
103.7.204.0/2412
95.214.184.0/2412
103.7.207.0/2411
45.149.222.0/2411
89.45.182.0/2411

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • GB United Kingdom
Scope
Single country
In registered country
100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS201838 · Last 7 days
Mobile vs. Desktop
Desktop 56.6%Mobile 43.4%
Desktop56.6%Mobile43.4%
Bot vs. Human
Human 82.6%Bot 17.4%
Human82.6%Bot17.4%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 33.0%IPv6 67.0%67.0%IPv6
IPv433.0%IPv667.0%
HTTP Version
HTTP/1.x
16.0%HTTP/2
55.0%HTTP/3
29.1%
HTTP vs. HTTPS
96.9% HTTPS (encrypted)
Plain HTTP 3.1%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.24.9%TLS 1.365.1%QUIC30.0%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
85.4%POST
12.9%HEAD
0.8%OPTIONS
0.8%Other
0.1%

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
20:00–21:00
Active hours
17 hrs
Weekend vs weekday
Weekdays ≈ weekends
Busiest day
Sun

Datacenter Presence

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BGP upstreams and neighbours

AS201838Standalone page
Loading upstreams and neighbours…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-20
Registered address & allocation dateRIR registration data (RDAP)2026-10-03
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-20
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-21
IP reputationCleanIP lookups and neighbour sampling—

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Multi-source cross-checks · In-house reputation data · Real data only

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