AS21743 Atlas Networks Corporation

AS21743Atlas Networks CorporationISP

WHOIS Topology

United States · ARINatlasnet.com

Home broadbandRPKI filtering

IPv4 addresses

23,040

24 announced prefixes

IPv6 addresses

7.92 × 10²⁸

2 announced prefixes

BGP neighbours

…

CAIDA rank

#8,659

Customer cone 2 ASNs

Estimated users

3.73천

APNIC: 3.68천

RPKI

50% valid

0 invalid · 13 not covered

Average purity

278 sampled IPs

IXPs / facilities

1 / 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.

Prefix	RPKI	Registration	Geolocation	Addresses
66.171.176.0/20	Not found	—	Seattle	4,096
66.170.184.0/21	Not found	—	Cle Elum	2,048
149.57.248.0/21	Valid	—	United States	2,048
199.231.240.0/21	Not found	—	Seattle	2,048
69.5.52.0/22	Valid	—	United States	1,024
91.234.156.0/22	Not found	RO-GVM-20120125RIPE	SydneyCross-border	1,024
104.36.44.0/22	Not found	—	Seattle	1,024
104.192.204.0/22	Not found	—	Redmond	1,024
104.247.120.0/22	Not found	—	United States	1,024
104.255.0.0/22	Not found	—	Seattle	1,024
149.18.8.0/22	Not found	—	Seattle	1,024
154.6.48.0/22	Not found	—	Seattle	1,024
216.247.100.0/22	Not found	—	Adelaide	1,024
64.93.12.0/23	Valid	—	United States	512
104.254.210.0/23	Valid	—	United States	512
209.200.234.0/23	Valid	—	Seattle	512
45.42.141.0/24	Valid	—	United States	256
45.42.142.0/24	Valid	—	United States	256
64.57.177.0/24	Valid	—	Seattle	256
66.93.14.0/24	Valid	—	United States	256

/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 26 / 90 （29%） · flagged 9

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

69.5.52.0/224/4 with data · 0 flagged

154.6.48.0/223/4 with data · 0 flagged

104.247.120.0/222/4 with data · 1 flagged

149.18.8.0/222/4 with data · 0 flagged

216.247.100.0/222/4 with data · 0 flagged

104.254.210.0/232/2 with data · 0 flagged

209.200.234.0/232/2 with data · 1 flagged

66.171.176.0/201/16 with data · 0 flagged

104.192.204.0/221/4 with data · 1 flagged

45.42.141.0/241/1 with data · 1 flagged

45.42.142.0/241/1 with data · 0 flagged

64.57.177.0/241/1 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 24970–84 2250–69 70–49 0

0.07%

Share of IPv4 reported or blocklisted

Listed IPs

278

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
66.93.14.0/24	3	12
216.75.151.0/24	3	11
64.57.177.0/24	2	11
165.140.26.0/24	1	9
209.200.235.0/24	1	4
104.247.121.0/24	1	1

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.

United States94.4%
Australia5.6%

Scope: Regional
In registered country: 94.4%

Estimated by sampling IPv4 ranges against a geolocation database.

트래픽 관측

AS21743 · 최근 7일

모바일과 데스크톱

데스크톱83.5%모바일16.5%

봇과 사람

사람56.5%봇43.5%

도입 및 사용

주요 프로토콜의 도입 및 사용 현황

인터넷 프로토콜(IP) 버전

IPv497.5%IPv62.5%

HTTP 버전

HTTP/1.x

27.2%HTTP/2

61.5%HTTP/3

11.3%

HTTP와 HTTPS 비교

99.0% HTTPS (암호화)

평문 HTTP 1.0%

TLS 버전

TLS 1.0/1.10%TLS 1.28.5%TLS 1.380.0%QUIC11.4%

보안 및 공격

네트워크 계층 및 애플리케이션 계층 공격 트래픽 분석

7계층 공격

GET

82.5%POST

10.4%HEAD

6.8%OPTIONS

0.3%

BGP 광고

최근 7일간 시간별 BGP 경로 광고 수

75,474

7일 합계

3,945

시간별 최고치

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.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 17:00–18:00
Active hours: 24 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Tue

불러오는 중…

BGP 업스트림 및 인접 네트워크

AS21743독립 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.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-22
Registered address & allocation date	RIR registration data (RDAP)	2026-10-03
Organization & company country	AS-to-organization data	2026-10-22
Network type	CleanIP ASN canon	2026-10-22
Exchanges & facilities	Operator self-reported interconnection data	2026-10-22
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-20
Network tags	Public routing data community tags	2026-10-22
IP reputation	CleanIP lookups and neighbour sampling	—

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