Home Prefix Lookup203.172.104.0/24

203.172.104.0/24 - SBN ISP/AWN ISP And SBN NIX/AWN NIX (AS45458)

IPv4APNICannouncedAS45458SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIXNo ROA

CIDR

203.172.104.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇹🇭 Thailand

City

Phaya Thai (Khwaeng Samsen Nai)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.172.104.0/24	AS45458 SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX	No ROA	-	2026-10-13

More Specific Prefixes

Prefix	Country	Status
203.172.104.0/28	🇹🇭TH	assigned
203.172.104.16/28	🇹🇭TH	assigned
203.172.104.32/29	🇹🇭TH	assigned
203.172.104.40/29	🇹🇭TH	assigned
203.172.104.48/29	🇹🇭TH	assigned
203.172.104.56/29	🇹🇭TH	assigned
203.172.104.64/29	🇹🇭TH	assigned
203.172.104.72/29	🇹🇭TH	assigned
203.172.104.80/29	🇹🇭TH	assigned
203.172.104.88/29	🇹🇭TH	assigned
203.172.104.96/29	🇹🇭TH	assigned
203.172.104.104/29	🇹🇭TH	assigned
203.172.104.112/29	🇹🇭TH	assigned
203.172.104.120/29	🇹🇭TH	assigned
203.172.104.128/29	🇹🇭TH	assigned
203.172.104.136/29	🇹🇭TH	assigned
203.172.104.144/29	🇹🇭TH	assigned
203.172.104.152/29	🇹🇭TH	assigned
203.172.104.160/29	🇹🇭TH	assigned
203.172.104.168/29	🇹🇭TH	assigned
203.172.104.176/28	🇹🇭TH	assigned
203.172.104.192/28	🇹🇭TH	assigned
203.172.104.208/28	🇹🇭TH	assigned
203.172.104.224/28	🇹🇭TH	assigned
203.172.104.240/28	🇹🇭TH	assigned

Transfer History

Registry transfers of 203.172.104.0/24, blocks inside it, or blocks containing it.

203.172.104.0/22Transfer · 2025-01-08
CS Loxinfo Public Company Limited
🇹🇭 TH APNIC
→
Advanced Wireless Network Company Limited
🇹🇭 TH APNIC

Date	Resource	From	To	Type
2025-01-08	203.172.104.0/22	CS Loxinfo Public Company Limited 🇹🇭 TH APNIC	Advanced Wireless Network Company Limited 🇹🇭 TH APNIC	Transfer

Origin ASN

AS45458

SBN-AWN-AS-02-AP - SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX

Related Prefixes

More prefixes of AS45458

All prefixes of AS45458 →

Geolocation

Country🇹🇭ThailandTH

RegionBangkok

CityPhaya Thai (Khwaeng Samsen Nai)

Coordinates13.7829, 100.5460 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/203.172.104.0/24

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/203.172.104.0/24" | jq

External Links

RIPEstat