Home ASN LookupAS4842

AS4842 TH-AS-AP - Tianhai InfoTech

🇨🇳

Org handle: ORG-TI19-AP

Tianhai InfoTech

APNICallocated

Announced Prefixes (BGP)

10total

1 IPv49 IPv6

IPv4 Addresses

Allocated (RIR)256

Announced (BGP)256

IPv6 Addresses

Allocated (RIR)3.4×10²⁶

Announced (BGP)6.7×10²⁶

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇳 CN

RIR

APNIC

Status

allocated

Allocated

2019-06-14

Routing hygiene

Score 11/100 · Low risk

RPKI ROA coverage

90%

1 prefix RPKI invalid

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 70/100

10% of announced prefixes (1 of 10) have no valid ROA, 1 of them RPKI invalid

Based on 10 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained

Announced Prefixes

(BGP)10

Prefix	RPKI	IRR	Last Seen
45.9.11.0/24	Valid	Other IRRRIPE	-
2401:20::/40	Valid	APNIC	-
2401:20:1330::/46	Valid	-	-
2401:20:1331::/48	Invalid	-	-
2401:20:2104::/46	Valid	-	-
2a0e:aa06::/40	Valid	RIPE	-
2a13:1800::/48	Valid	-	-
2a13:1800:10::/48	Valid	RIPE	-
2a13:1800:80::/44	Valid	RIPE	-
2a13:1800:300::/44	Valid	RIPE	-

Allocated Prefixes

(RIR)5

Prefix	Country	RIR	Status
45.9.11.0/24	🇪🇺 EU	RIPE	assigned
2a0e:aa06::/40	🇪🇺 EU	RIPE	assigned
2a13:1800:10::/48	🇨🇳 CN	RIPE	assigned
2a13:1800:80::/44	🇭🇰 HK	RIPE	assigned
2a13:1800:300::/44	🇨🇦 CA	RIPE	assigned

All 10 announced prefixes of AS4842 →

Downstream Customers(2)

ASN	Name
AS209300	🇨🇳TWD2-NET Wende Tan
AS209306	🇨🇳SOHANET Jin Shaohai

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS4842 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric3
AS20473The Constant Company3
AS53356FREE RANGE CLOUD Free Range Cloud Hosting3
AS209306SOHANET Jin Shaohai1

Downstreams (5)

Networks whose own prefixes AS4842 passes on: usually its customers.

AS24239TWD2 Education And Research Network8
AS151464Shanghai Luogu Network Technology6
AS57175SAKURA Tianhai InfoTech Limited1
AS135671RBB InfoTech1
AS135674Kano Network1

Other adjacent networks (1)

Adjacent to AS4842 in the transit part of AS paths: peers, providers or customers.

AS4635Hong Kong Internet Exchange Route Server 11

Transfer History

Registry transfers of AS4842 between organisations.

AS4842Transfer · 2020-04-22
LightNetwork Computing Limited
🇭🇰 HK APNIC
→
Tianhai InfoTech
🇨🇳 CN APNIC

Date	Resource	From	To	Type
2020-04-22	AS4842	LightNetwork Computing Limited 🇭🇰 HK APNIC	Tianhai InfoTech 🇨🇳 CN APNIC	Transfer

ASPA

No ASPA0 upstreams, 2 downstreams

Listed as Upstream Provider by

2 ASNs

View full ASPA details →

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/4842

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/4842" | jq