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ASN lookup result for AS152194 CTG Server Limited — network size, BGP routing and registration

HKAS152194CTG Server LimitedIDC
WHOIS Topology

Hong Kong · APNICctgserver.com

VPS hosting

IPv4 addresses

193,024

656 announced prefixes

IPv6 addresses

1.58 × 10²⁹

2 announced prefixes

BGP neighbours

…

CAIDA rank

#6,100

Customer cone 3 ASNs

Estimated users

117K

APNIC: 106K

RPKI

94% valid

0 invalid · 42 not covered

Average purity

67

340 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
134.122.128.0/17ValidSGRCPL-SGAPNICSGSingapore32,768
137.220.128.0/17ValidSGRCPL-SGAPNICJPTokyoCross-border32,768
112.213.96.0/19ValidHKSUN-NETWORKAPNICHKHong Kong8,192
121.127.224.0/19ValidHKSUN-NETWORKAPNICHKHong Kong8,192
134.122.160.0/19ValidSGRCPL-SGAPNICSGSingapore8,192
134.122.192.0/19ValidHKCTG192-255-JPAPNICJPTokyoCross-border8,192
134.122.224.0/19ValidHKCTG192-255-JPAPNICJPTokyoCross-border8,192
134.122.144.0/20ValidSGRCPL-SGAPNICSGSingapore4,096
210.56.48.0/20Not foundHKSUN-NETWORKAPNICHKHong Kong4,096
121.54.168.0/21ValidHKSUN-NETWORKAPNICHKHong Kong2,048
134.122.136.0/21ValidJPCTG122-128-JPAPNICJPTokyo2,048
202.146.216.0/21ValidHKSUN-NETWORKAPNICHKHong Kong2,048
27.124.36.0/22ValidHKCTG124-36-KHAPNICSGSingaporeCross-border1,024
43.240.36.0/22ValidHKGELTD-HKAPNICHKHong Kong1,024
43.243.72.0/22ValidHKFES-HKAPNICHKHong Kong1,024
103.41.64.0/22ValidHKAPPSBOX-HKAPNICHKHong Kong1,024
103.230.240.0/22ValidHKSNIGL-HKAPNICHKHong Kong1,024
103.254.108.0/22ValidHKGALGL-HKAPNICHKHong Kong1,024
137.220.252.0/22ValidJPCTG220-192-JPAPNICJPTokyo1,024
202.79.164.0/22ValidJPCTG79-164-JPAPNICSGSingaporeCross-border1,024

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 226 / 754 （30%） · flagged 95

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

137.220.128.0/1732/128 with data · 16 flagged

134.122.128.0/1729/128 with data · 17 flagged

112.213.96.0/195/32 with data · 3 flagged

121.127.224.0/195/32 with data · 3 flagged

202.79.164.0/224/4 with data · 1 flagged

202.146.216.0/212/8 with data · 1 flagged

202.79.162.0/232/2 with data · 0 flagged

210.56.48.0/201/16 with data · 0 flagged

121.54.168.0/211/8 with data · 0 flagged

27.124.36.0/221/4 with data · 1 flagged

103.41.64.0/221/4 with data · 0 flagged

103.230.240.0/221/4 with data · 1 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

85–100 070–84 16750–69 1630–49 10

0.29%

Share of IPv4 reported or blocklisted

552

Listed IPs

340

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.

  • SG Singapore
  • JP Japan
  • HK Hong Kong
  • US United States
  • CN China
  • IN India
Scope
Global
In registered country
24.9%

Estimated by sampling IPv4 ranges against a geolocation database.

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 > 99.9%IPv6 < 0.1%< 0.1%IPv6
IPv4> 99.9%IPv6< 0.1%
HTTP Version
HTTP/1.x
66.1%HTTP/2
28.7%HTTP/3
5.2%
HTTP vs. HTTPS
77.6% HTTPS (encrypted)
Plain HTTP 22.4%
TLS Version
TLS 1.0/1.10.9%TLS 1.226.0%TLS 1.366.4%QUIC6.7%

BGP Announcements

Hourly BGP route announcements over the last 7 days

3,958,834
7-day total
120,133
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.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
16:00–17:00
Active hours
24 hrs
Weekend vs weekday
Weekdays ≈ weekends
Busiest day
Mon

Datacenter Presence

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BGP upstreams and neighbours

AS152194Standalone 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 canon2026-10-20
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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