AS4837 China United Network Communications Group Co., Ltd.

AS4837China United Network Communications Group Co., Ltd.ISP

WHOIS Topology

CNCGROUP IP network of ShangHai IDCChina · APNICchinaunicom.com

Hosts top sitesBusiness linesHome broadbandCritical infrastructureMobile networkVPN servicesVPS hosting

IPv4 addresses

57,729,536

1,522 announced prefixes

IPv6 addresses

3.18 × 10³¹

653 announced prefixes

BGP neighbours

…

CAIDA rank

#219

Customer cone 242 ASNs

Estimated users

121M

APNIC: 121M

RPKI

98% valid

3 invalid · 46 not covered

Average purity

14,902 sampled IPs

IXPs / facilities

3 / 10

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.

Prefix	RPKI	Registration	Geolocation	Addresses
27.192.0.0/11	Valid	UNICOM-SDAPNIC	China	2,097,152
39.64.0.0/11	Valid	UNICOM-SDAPNIC	China	2,097,152
112.224.0.0/11	Valid	UNICOM-SDAPNIC	Qingdao	2,097,152
42.224.0.0/12	Valid	UNICOM-HAAPNIC	Luoyang	1,048,576
101.16.0.0/12	Valid	CNCGROUP-HEAPNIC	China	1,048,576
110.240.0.0/12	Valid	UNICOM-HEAPNIC	China	1,048,576
113.224.0.0/12	Valid	UNICOM-LNAPNIC	China	1,048,576
115.48.0.0/12	Valid	UNICOM-HAAPNIC	China	1,048,576
119.176.0.0/12	Valid	UNICOM-SDAPNIC	China	1,048,576
120.0.0.0/12	Valid	UNICOM-HEAPNIC	China	1,048,576
175.160.0.0/12	Valid	UNICOM-LNAPNIC	China	1,048,576
182.112.0.0/12	Valid	UNICOM-HAAPNIC	China	1,048,576
1.24.0.0/13	Valid	UNICOM-NMAPNIC	China	524,288
1.56.0.0/13	Valid	UNICOM-HLAPNIC	China	524,288
27.8.0.0/13	Valid	UNICOM-CQAPNIC	Chongqing	524,288
42.176.0.0/13	Valid	UNICOM-LNAPNIC	China	524,288
60.0.0.0/13	Valid	UNICOM-HEAPNIC	China	524,288
60.16.0.0/13	Valid	UNICOM-LNAPNIC	China	524,288
60.208.0.0/13	Valid	UNICOM-SDAPNIC	Jinan	524,288
101.64.0.0/13	Valid	UNICOM-ZJAPNIC	China	524,288

Only the first 500 prefixes are listed; address counts and geography use all prefixes.

/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 14,252 / 225,506 （6%） · flagged 6,080

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

112.224.0.0/11658/8192 with data · 410 flagged

27.192.0.0/11624/8192 with data · 445 flagged

39.64.0.0/11530/8192 with data · 359 flagged

115.48.0.0/12471/4096 with data · 253 flagged

182.112.0.0/12396/4096 with data · 259 flagged

42.224.0.0/12388/4096 with data · 200 flagged

119.176.0.0/12345/4096 with data · 240 flagged

123.8.0.0/13212/2048 with data · 140 flagged

123.128.0.0/13192/2048 with data · 133 flagged

123.152.0.0/13183/2048 with data · 36 flagged

125.40.0.0/13181/2048 with data · 94 flagged

175.160.0.0/12174/4096 with data · 92 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 14,15770–84 58750–69 1050–49 53

0.17%

Share of IPv4 reported or blocklisted

94,945

Listed IPs

14,902

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
116.179.33.0/24	10	18
101.71.38.0/24	6	26
101.71.52.0/24	3	23
110.53.234.0/24	3	16
116.179.37.0/24	2	86
116.147.109.0/24	2	3
42.48.21.0/24	2	3
101.204.17.0/24	2	2
113.200.174.0/24	1	32
182.90.206.0/24	1	14

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.

China100.0%
Hong Kong0.0%
United Kingdom0.0%
Indonesia0.0%
Singapore0.0%
South Korea0.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS4837 · Last 7 days

Mobile vs. Desktop

Desktop76.6%Mobile23.4%

Bot vs. Human

Human21.8%Bot78.2%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv481.3%IPv618.7%

HTTP Version

HTTP/1.x

62.2%HTTP/2

27.9%HTTP/3

9.9%

HTTP vs. HTTPS

89.9% HTTPS (encrypted)

Plain HTTP 10.1%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.27.2%TLS 1.381.8%QUIC11.0%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

79.2%POST

12.1%HEAD

5.8%OPTIONS

2.8%Other

< 0.1%

BGP Announcements

Hourly BGP route announcements over the last 7 days

7,477,868

7-day total

356,763

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.

Fairly flat around the clock, typical of server or hosting networks.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 06:00–07:00
Active hours: 24 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Mon

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BGP upstreams and neighbours

AS4837Standalone page

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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.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-06-24
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-21
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-21
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-21
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
Network tags	Public routing data community tags	2026-10-21
IP reputation	CleanIP lookups and neighbour sampling	—

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