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6 dimensions · leaks / fingerprint / consistency

ASN lookup result for AS4812 China Telecom Shanghai Branch — network size, BGP routing and registration

CNAS4812China Telecom Shanghai BranchISP
WHOIS Topology

China Telecom (Group)China · APNICchinatelecom.com.cn

Hosts top sitesBusiness linesHome broadbandMobile networkRPKI filtering

IPv4 addresses

8,525,056

493 announced prefixes

IPv6 addresses

3.85 × 10³⁰

99 announced prefixes

BGP neighbours

…

CAIDA rank

#859

Customer cone 48 ASNs

Estimated users

44.7M

APNIC: 44.6M

RPKI

87% valid

8 invalid · 68 not covered

Average purity

93

2,150 sampled IPs

IXPs / facilities

0 / 0

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
101.80.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
101.88.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
101.224.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
180.152.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
180.160.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
180.168.0.0/13ValidCNCHINANET-SHAPNICCNChina524,288
58.32.0.0/14ValidCNCHINANET-SHAPNICCNShanghai262,144
58.36.0.0/14ValidCNCHINANET-SHAPNICCNChina262,144
101.82.0.0/15ValidCNCHINANET-SHAPNICCNShanghai131,072
101.230.0.0/15ValidCNCHINANET-SHAPNICCNShanghai131,072
116.228.0.0/15ValidCNCHINANET-SHAPNICCNChina131,072
116.236.0.0/15ValidCNCHINANET-SHAPNICCNShanghai131,072
116.238.0.0/15ValidCNCHINANET-SHAPNICCNChina131,072
116.246.0.0/15ValidCNCHINANET-SHAPNICCNChina131,072
124.76.0.0/15ValidCNCHINANET-SHAPNICCNChina131,072
124.78.0.0/15ValidCNCHINANET-SHAPNICCNShanghai131,072
180.166.0.0/15ValidCNCHINANET-SHAPNICCNChina131,072
58.32.0.0/16ValidCNCHINANET-SHAPNICCNShanghai65,536
58.33.0.0/16ValidCNCHINANET-SHAPNICCNChina65,536
58.34.0.0/16ValidCNCHINANET-SHAPNICCNChina65,536

/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 2,034 / 33,301 （6%） · flagged 405

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

180.160.0.0/13190/2048 with data · 56 flagged

101.80.0.0/13151/2048 with data · 6 flagged

101.88.0.0/13124/2048 with data · 20 flagged

101.224.0.0/13117/2048 with data · 22 flagged

180.152.0.0/13114/2048 with data · 28 flagged

180.168.0.0/1382/2048 with data · 21 flagged

58.32.0.0/1482/1024 with data · 22 flagged

124.78.0.0/1581/512 with data · 3 flagged

114.92.0.0/1666/256 with data · 0 flagged

114.86.0.0/1665/256 with data · 0 flagged

116.236.0.0/1563/512 with data · 9 flagged

61.171.0.0/1658/256 with data · 15 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 2,06270–84 8450–69 40–49 0

0.05%

Share of IPv4 reported or blocklisted

3,825

Listed IPs

2,150

Analysed IPs

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.

  • CN China
Scope
Single country
In registered country
100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS4812 · Last 7 days
Mobile vs. Desktop
Desktop 79.2%Mobile 20.8%
Desktop79.2%Mobile20.8%
Bot vs. Human
Human 43.0%Bot 57.0%
Human43.0%Bot57.0%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 91.9%IPv6 8.1%8.1%IPv6
IPv491.9%IPv68.1%
HTTP Version
HTTP/1.x
56.8%HTTP/2
27.8%HTTP/3
15.4%
HTTP vs. HTTPS
89.6% HTTPS (encrypted)
Plain HTTP 10.4%
TLS Version
TLS 1.0/1.1< 0.1%TLS 1.213.4%TLS 1.369.4%QUIC17.2%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
81.0%POST
17.0%HEAD
1.8%OPTIONS
0.1%Other
< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

2,648,688
7-day total
116,891
Hourly peak

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
06:00–07:00
Active hours
19 hrs
Weekend vs weekday
Weekdays heavier
Busiest day
Wed

Datacenter Presence

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BGP upstreams and neighbours

AS4812Standalone 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)2026-09-26
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-21
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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