Autonomous System details

AS400940

Railway · railway.com

United States

Anycast

CDN

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AS400940 – Railway

Field	Value
Country	United States
Website	railway.com
Hosted domains	34,966
IPv4 addresses	2,560
IPv6 addresses	1,237,940,039,285,380,274,899,124,224
ASN type	Hosting
Registry	arin
Allocated	2 years ago on Feb 17, 2024
Updated	a year ago on Nov 07, 2024

Netblock	Company	Num of IPs
66.33.22.0/23	Railway	512
162.220.232.0/23	Railway	512
162.220.234.0/23	Railway	512
208.77.244.0/23	Railway	512
208.77.246.0/23	Railway	512
66.33.23.0/24	Railway	256

Netblock	Company
2607:99c0::/40	Railway
2607:99c0:100::/40	Railway
2607:99c0:200::/40	Railway
2607:99c0:300::/40	Railway

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WHOIS Details

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                                                ASHandle:       AS400940
                                                OrgID:          AS400940
                                                ASName:         AS400940
                                                ASNumber:       AS400940
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 34,966 domain names hosted across 273 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
66.33.22.4	██████████	371
66.33.22.1	████████	306
66.33.22.57	█████████	226
66.33.22.73	██████████	220
66.33.22.247	██████████	217
66.33.22.2	██████████	213
66.33.22.217	██████████	195
66.33.22.220	██████████	193
66.33.22.3	██████████	192
66.33.22.241	██████████	191

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Peers

There are 65 peers for this ASN.

Peers	Name
AS11039	The George Washington University
AS1299	Arelion Sweden AB
AS132337	Axclusive
AS133210	EN Technologies Pte Ltd
AS13335	Cloudflare, Inc.
AS137409	GSL Networks Pty LTD
AS13786	Seabras 1 USA, LLC
AS142271	EWS DS Networks Inc
AS14537	Continent 8 LLC
AS14907	Wikimedia Foundation Inc.
AS151326	DCConnect Communication Pte. Ltd.
AS15802	Emirates Integrated Telecommunications Company PJSC
AS16552	Tiggee LLC
AS17557	Pakistan Telecommunication Company Limited
AS17639	Converge ICT Solutions Inc.
AS17660	DrukNet ISP
AS18187	Ignite Telecommunications Inc
AS1828	Unitas Global
AS18678	INTERNEXA S.A. E.S.P
AS199524	G-Core Labs S.A.
AS23673	Cogetel Online, Cambodia, ISP
AS24482	SG.GS
AS24516	Virtutel Pty Ltd
AS2914	NTT America, Inc.
AS32590	Valve Corporation
AS3356	Level 3 Parent, LLC
AS3491	PCCW Global, Inc.
AS35280	F5 Networks SARL
AS36236	NetActuate, Inc
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS38001	NewMedia Express Pte Ltd
AS38082	True International Gateway Co., Ltd.
AS38195	Superloop
AS38880	Micron21 Datacentre Pty Ltd
AS40934	Fortinet Inc.
AS4181	TDS TELECOM
AS4455	IX Reach Ltd
AS45352	IP ServerOne Solutions Sdn Bhd
AS45489	Sri Lanka Telecom PLC, GLobal Peering
AS45896	Mobifone Global JSC
AS4621	UNINET-TH
AS4637	Telstra Global
AS4826	Vocus Connect International Backbone
AS49544	i3D.net B.V
AS51185	MainStreaming SpA
AS52320	GlobeNet Cabos Submarinos Colombia, S.A.S.
AS57695	Misaka Network, Inc.
AS58511	Anycast Global Backbone
AS58952	Frontiir Co. Ltd
AS6057	Administracion Nacional de Telecomunicaciones
AS6204	INTERKVM HOST SRL
AS63927	RISE
AS63956	5G NETWORK OPERATIONS PTY LTD
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC
AS7195	EDGEUNO S.A.S
AS7713	PT Telekomunikasi Indonesia
AS8220	COLT Technology Services Group Limited
AS835	GoCodeIT Inc
AS8529	Zain Omantel International FZ-LLC
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9002	RETN Limited
AS9498	BHARTI Airtel Ltd.
AS9583	Sify Limited

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ASN API & Database

Upstreams

There are 7 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS13335	Cloudflare, Inc.
AS2914	NTT America, Inc.
AS3356	Level 3 Parent, LLC
AS3491	PCCW Global, Inc.
AS4637	Telstra Global
AS6461	Zayo Bandwidth

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

10 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
208.77.244.149	AS400940 Railway	`0.64ms` from Amsterdam, NL
162.220.235.254	AS400940 Railway	`0.21ms` from Ashburn, US
162.220.233.253	AS400940 Railway	`0.33ms` from San Jose, US
208.77.247.254	AS400940 Railway	`0.26ms` from Singapore, SG
162.220.232.227	AS400940 Railway	`0.29ms` from San Jose, US
208.77.245.254	AS400940 Railway	`0.70ms` from Amsterdam, NL
66.33.22.81	AS400940 Railway	`0.15ms` from Ashburn, US
162.220.234.156	AS400940 Railway	`0.17ms` from Ashburn, US
208.77.246.66	AS400940 Railway	`0.26ms` from Singapore, SG
66.33.23.135	AS400940 Railway	`0.46ms` from Ashburn, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
78.131.89.92	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`1.38ms` from Budapest, HU
196.250.244.140	AS37172 Mitsol (Pty) Ltd	`1.79ms` from Durban, ZA
223.4.76.172	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.14ms` from Hangzhou, CN
199.125.11.140	AS12154 DATA AXLE, INC	`4.97ms` from Kansas City, US
178.184.147.236	AS12389 PJSC Rostelecom	`13.31ms` from Krasnoyarsk, RU
97.211.89.108	AS6167 Verizon Business	`19.11ms` from Los Angeles, US
79.24.148.124	AS3269 Telecom Italia S.p.A.	`1.73ms` from Milan, IT
41.15.164.60	AS29975 Vodacom	`13.83ms` from Pretoria, ZA
103.10.204.108	AS45599 141 Yang Guan Jie	`6.81ms` from Rio de Janeiro, BR
93.61.125.156	AS12874 Fastweb SpA	`7.23ms` from Rome, IT
69.231.94.156	AS7018 AT&T Enterprises, LLC	`3.78ms` from San Antonio, US
99.255.253.108	AS812 Rogers Communications Canada Inc.	`5.26ms` from Toronto, CA
90.157.9.44	AS12389 PJSC Rostelecom	`0.91ms` from Yekaterinburg, RU
90.171.214.60	AS12479 Orange Espagne SA	`5.73ms` from Zaragoza, ES
149.160.234.92	AS27198 Indiana University	`7.50ms` from Chicago, US
91.53.120.156	AS3320 Deutsche Telekom AG	`4.91ms` from Frankfurt am Main, DE
31.18.224.252	AS3209 Vodafone GmbH	`3.11ms` from Hamburg, DE
42.121.226.156	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.14ms` from Hangzhou, CN
89.153.123.220	AS2860 NOS COMUNICACOES, S.A.	`12.11ms` from Lisbon, PT
109.149.154.108	AS2856 British Telecommunications PLC	`7.72ms` from London, GB
136.110.236.188	AS396982 Google LLC	`0.07ms` from Melbourne, AU
158.160.175.252	AS200350 Yandex.Cloud LLC	`2.43ms` from Moscow, RU
112.182.254.172	AS4766 Korea Telecom	`3.99ms` from Seoul, KR
70.51.247.252	AS577 Bell Canada	`1.42ms` from Toronto, CA
212.1.100.12	AS6846 Joint Ukrainan-German Enterprise "INFOCOM" LLC	`8.12ms` from Vienna, AT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f3 66.33.23.182

traceroute to 66.33.23.182 (66.33.23.182): 64 hops max, 52 byte packets

3 [AS61231] 185.14.146.177 7.934 ms

4 *

5 [AS13335] 141.101.71.121 8.68 ms

6 *

7 *

8 *

9 *

10 [AS400940] 66.33.23.182 15.374 ms

Measurement taken from

IPinfo ProbeNet in Kettering, GB

On February 16th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS400940 at robtex.

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