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AS174 Cogent Communications, LLC ASN 조회 결과 — 네트워크 규모, BGP 라우팅, 등록 정보

USAS174Cogent Communications, LLCISP
WHOIS Topology

United States · ARINcogentco.com

Hosts top sitesAnycastBusiness linesCritical infrastructureRPKI filteringTor relaysVPS hosting

IPv4 addresses

36,351,744

4,010 announced prefixes

IPv6 addresses

3.98 × 10³⁰

532 announced prefixes

BGP neighbours

…

CAIDA rank

#4

Customer cone 40,788 ASNs

Estimated users

65.1만

APNIC: 65만

RPKI

10% valid

46 invalid · 4,047 not covered

Average purity

81

3,871 sampled IPs

IXPs / facilities

0 / 816

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
38.0.0.0/8Not found—USWashington16,777,216
208.0.0.0/11Not found—USUnited States2,097,152
63.160.0.0/12Not found—HKTsuen Wan1,048,576
154.48.0.0/12Not found—USUnited States1,048,576
65.160.0.0/13Not found—USCoralville524,288
154.24.0.0/13Not found—USUnited States524,288
154.40.0.0/13Not found—USUnited States524,288
205.240.0.0/13Not found—USBoulder524,288
65.168.0.0/14Not found—USUnited States262,144
149.92.0.0/14Not found—USUnited States262,144
154.36.0.0/14Not found—USUnited States262,144
199.0.0.0/14Not found—HKTsuen Wan262,144
204.4.0.0/14Not found—USUnited States262,144
204.180.0.0/14Not found—KYCayman Islands262,144
204.204.0.0/14Valid—USUnited States262,144
204.212.0.0/14Not found—USUnited States262,144
204.240.0.0/14Not found—USUnited States262,144
204.248.0.0/14Not found—USUnited States262,144
205.160.0.0/14Not found—USUnited States262,144
206.4.0.0/14Not found—USUnited States262,144

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 5,568 / 141,999 （4%） · flagged 3,216

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

38.0.0.0/83491/65536 with data · 1987 flagged

154.48.0.0/12198/4096 with data · 97 flagged

154.24.0.0/13136/2048 with data · 97 flagged

154.40.0.0/13119/2048 with data · 69 flagged

154.36.0.0/14119/1024 with data · 63 flagged

154.12.0.0/15106/512 with data · 76 flagged

149.52.0.0/1571/512 with data · 40 flagged

154.17.0.0/1667/256 with data · 61 flagged

149.104.0.0/1663/256 with data · 47 flagged

154.64.0.0/1652/256 with data · 29 flagged

149.102.0.0/1650/256 with data · 44 flagged

154.9.0.0/1650/256 with data · 28 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 1,27870–84 2,51650–69 700–49 7

0.69%

Share of IPv4 reported or blocklisted

170,683

Listed IPs

3,871

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.

  • US United States
  • CA Canada
  • VE Venezuela
  • DE Germany
  • HK Hong Kong
  • FR France
Scope
Global
In registered country
73.1%

Estimated by sampling IPv4 ranges against a geolocation database.

트래픽 관측

AS174 · 최근 7일
모바일과 데스크톱
데스크톱 77.2%모바일 22.6%기타 0.2%
데스크톱77.2%모바일22.6%기타0.2%

도입 및 사용

주요 프로토콜의 도입 및 사용 현황

HTTP 버전
HTTP/1.x
34.7%HTTP/2
55.8%HTTP/3
9.5%
HTTP와 HTTPS 비교
98.1% HTTPS (암호화)
평문 HTTP 1.9%
TLS 버전
TLS 1.0/1.1< 0.1%TLS 1.25.1%TLS 1.385.2%QUIC9.7%

데이터: Cloudflare Radar · 라이선스 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
15:00–16:00
Active hours
24 hrs
Weekend vs weekday
Weekdays heavier
Busiest day
Tue

입주 데이터센터

불러오는 중…

BGP 업스트림 및 인접 네트워크

AS174독립 페이지
업스트림 및 인접 네트워크 불러오는 중…

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 statistics2026-10-22
Registered address & allocation dateRIR registration data (RDAP)2026-09-26
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-22
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 tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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