AS400940 Railway

United States RAILWAY ARIN 12 IPv4 prefixes 8 IPv6 prefixes

IPv4 addresses

7,424

IPv6 /48 networks

2,048

RPKI

20 valid0 no ROA

Peers and downstreams

Holder

AS name: RAILWAY
Description: 548 Market St PMB 68956 San Francisco CA 94104 United States
Organisation: Railway
Abuse contact: Not published
Assigned: 2024-02-16
Registered: 2024-02-17
Record last changed: 2024-11-07 12:22 UTC

152.55.176.0/22 152.55.180.0/22 152.55.184.0/22 152.55.188.0/22 153.52.224.0/23 162.220.232.0/23 162.220.234.0/23 208.77.244.0/23 208.77.246.0/23 66.33.22.0/23 66.33.23.0/24 69.46.46.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 20 of 20 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 8 IPv6 prefixes.	15/15
pass	More than one upstream 8 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@railway.app is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2024-11-07.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/400940"><img src="https://ip-fd.net/badge/asn/400940/health.svg" alt="AS400940 network health on IP-FD.net"></a>

Markdown

[![AS400940 network health](https://ip-fd.net/badge/asn/400940/health.svg)](https://ip-fd.net/asn/400940)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 12:08 UTC	Neighbour gone	AS38001	peer
2026-10-04 12:08 UTC	Neighbour gone	AS17639	peer
2026-10-04 12:08 UTC	Neighbour gone	AS9583	upstream
2026-10-04 12:08 UTC	New neighbour	AS7195	peer
2026-10-04 12:08 UTC	New neighbour	AS6204	peer
2026-10-04 12:08 UTC	Relationship changed	AS6057	upstream to peer
2026-10-04 12:08 UTC	New neighbour	AS60171	peer
2026-10-04 12:08 UTC	New neighbour	AS4637	peer
2026-10-04 12:08 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 12:08 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 12:08 UTC	Relationship changed	AS17557	upstream to peer
2026-10-04 12:08 UTC	Relationship changed	AS15802	upstream to peer
2026-10-04 12:08 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 12:08 UTC	New prefix	152.55.188.0/22
2026-10-04 12:08 UTC	New prefix	2607:99c0:c00::/40

WHOIS

aut-num:        AS400940
as-name:        RAILWAY
handle:         AS400940
remarks:        https://railway.com
registrant:     RC-1550 (Railway)
abuse:          ABUSE8954-ARIN (Abuse-Role) <abuse@railway.app>
administrative,routing,dns,technical,noc:RAILW-ARIN (Railway-Team) <dc-ops@railway.com>
last changed:   2024-11-07T07:22:46-05:00
registration:   2024-02-17T07:58:59-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/400940

const res = await fetch('https://ip-fd.net/api/v1/asn/400940', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/400940', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/400940');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/400940", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

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