103.37.128.0/19

🇦🇺

IPv4RIPEassignedNo ROA

CIDR

103.37.128.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇦🇺 Australia

City

Adelaide

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

7 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
103.37.152.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	No ROA	—	5/31/2026
103.37.136.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	No ROA	—	5/31/2026
103.37.144.0/21	AS4808CHINA169-BJ - China Unicom Beijing Province Network	No ROA	—	5/31/2026
103.37.128.0/22	AS1851ADELAIDE-UNIVERSITY-AS-AP - Adelaide University	Valid	—	5/31/2026
103.37.132.0/22	AS139468DCI-AS-AP - DC Communications Inc.	Valid	—	5/31/2026
103.37.129.0/24	AS4826VOCUS-BACKBONE-AS - Vocus Connect International Backbone	Valid	—	5/31/2026
103.37.132.0/24	AS15830Equinix Equinix (EMEA) Acquisition Enterprises B.V.	Valid	—	5/31/2026

Prefix	AS	Country	Status
103.37.148.0/22		🇨🇳CN	allocated
103.37.132.0/22	AS139468	🇯🇵JP	allocated
103.37.152.0/22		🇨🇳CN	allocated
103.37.156.0/22		🇨🇳CN	allocated
103.37.128.0/22	AS1851	🇦🇺AU	allocated
103.37.136.0/22		🇨🇳CN	allocated
103.37.140.0/22		🇨🇳CN	allocated
103.37.144.0/22		🇨🇳CN	allocated
103.37.134.0/24		🇯🇵JP	assigned
103.37.133.0/24		🇯🇵JP	assigned
103.37.135.0/24		🇯🇵JP	assigned
103.37.132.128/26		🇯🇵JP	assigned
103.37.132.0/26		🇯🇵JP	assigned
103.37.132.192/26		🇯🇵JP	assigned
103.37.132.64/26		🇯🇵JP	assigned

Geolocation

Country🇦🇺AustraliaAU

RegionSouth Australia

CityAdelaide

API

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

curl -s "https://api.ipctl.io/v1/prefix/103.37.128.0/19" | jq

External Links