AS201616 Theo Holroyd

United Kingdom theoh-as RIPE 0 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: theoh-as
Description: Theo Holroyd
Organisation: Theo Holroyd
Abuse contact: abuse@theoholroyd.com
Assigned: 2026-02-04
Registered: 2026-02-05
Record last changed: 2026-03-05 17:04 UTC

None announced.

AS559	SWITCH Switch
AS917	Misaka Network, Inc. MISAKA
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3399	Obenet AB OBE-NET
AS4230	CLARO S.A. AS4230
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS9044	BSE Software GmbH SOLNET
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS13030	Init7 (Switzerland) Ltd. INIT7
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15605	Connesi s.p.a. CONNESI
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS20764	CJSC RASCOM RASCOM-AS
AS20932	Services Industriels de Geneve SIG-ST
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS31122	Digiweb ltd DIGIWEB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34927	iFog GmbH iFog-GmbH
AS35266	EX Networks Limited EXN-AS
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS37468	Angola Cables
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS42541	Fiberby ApS FIBERBY
AS43727	JSC KVANT-TELEKOM KVANT-TELECOM
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47498	iFog GmbH FogIXP
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50629	LWLcom GmbH LWLCOM
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS58299	Openfactory GmbH OPENFACTORY-AS
AS61573	IP TELECOM AS61573
AS198150	SIACOM JSC SIACOM-AS
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS209022	Tschajera Limited Tschajera-Limited
AS209823	Enki Multimedia EURL ENKI-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213241	TECHIT.BE SRL TECHIT
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 2 of 2 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 8 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@theoholroyd.com 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 2026-03-05.	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/201616"><img src="https://ip-fd.net/badge/asn/201616/health.svg" alt="AS201616 network health on IP-FD.net"></a>

Markdown

[![AS201616 network health](https://ip-fd.net/badge/asn/201616/health.svg)](https://ip-fd.net/asn/201616)

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

Routing changes

Last 30 days

2026-10-04 04:47 UTC	Neighbour gone	AS60144	upstream
2026-10-04 04:47 UTC	Neighbour gone	AS41666	peer
2026-10-04 04:47 UTC	Neighbour gone	AS31027	peer
2026-10-04 04:47 UTC	Neighbour gone	AS1103	peer
2026-10-04 04:47 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 04:47 UTC	New neighbour	AS6797	peer
2026-10-04 04:47 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 04:47 UTC	New neighbour	AS6057	peer
2026-10-04 04:47 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS48070	upstream to peer
2026-10-04 04:47 UTC	New neighbour	AS47498	peer
2026-10-04 04:47 UTC	Relationship changed	AS43727	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS4230	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS209022	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 04:47 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 04:47 UTC	New neighbour	AS1101	upstream

WHOIS

aut-num:        AS201616
as-name:        theoh-as
org:            ORG-TH110-RIPE
sponsoring-org: ORG-NC22-RIPE
admin-c:        TH8635-RIPE
tech-c:         TH8635-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         THEOH-MNT
created:        2026-02-05T13:08:05Z
last-modified:  2026-03-05T17:04:21Z
source:         RIPE
% 14 routing policy lines (import/export) not shown

Routing data

Updated 1 days ago

Registry record

Fetched 1 days ago from RIPE

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/201616

const res = await fetch('https://ip-fd.net/api/v1/asn/201616', {
  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/201616', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/201616');
curl_setopt($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/201616", 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.

AS1101	SURF B.V. IP-EEND-AS
AS6939	Hurricane Electric LLC HURRICANE
AS8283	Netwerkvereniging Coloclue COLOCLUE-AS
AS39351	31173 Services AB ESAB-AS
AS44684	Mythic Beasts Ltd MYTHIC
AS212396	FyfeWeb Ltd FYFEWEB
AS212635	Jurrian van Iersel AS212635
AS215638	Cilix Limited AS-CILIX-LIMITED