Home Prefix Lookup203.166.0.0/17

203.166.0.0/17

🇦🇺

IPv4RIPEassignedAS703UUNET - Verizon BusinessNo ROA

CIDR

203.166.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇦🇺 Australia

City

Wollstonecraft

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
203.166.0.0/17	AS703UUNET - Verizon Business	No ROA	RADB	5/30/2026

Covering Prefix

7 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.166.64.0/21	AS12234UUNET-INT - Verizon Business	No ROA	—	5/30/2026
203.166.41.0/24	AS1689ANS-1689-AS - Verizon Business	No ROA	—	5/30/2026
203.166.74.0/24	AS12234UUNET-INT - Verizon Business	No ROA	—	5/30/2026
203.166.79.0/24	AS12234UUNET-INT - Verizon Business	No ROA	—	5/30/2026
203.166.127.0/24	AS15572Cybertrust Verizon UK Limited	No ROA	—	5/30/2026
203.166.34.0/24	AS15572Cybertrust Verizon UK Limited	No ROA	—	5/30/2026
203.166.83.0/24	AS395753KKR - KKR	No ROA	—	5/30/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS703	RADB	MAINT-AS7545	11/13/2023

More Specific Prefixes

100

Prefix	AS	Country	Status
203.166.96.0/19		🇦🇺AU	allocated
203.166.0.0/19		🇦🇺AU	allocated
203.166.64.0/19		🇦🇺AU	allocated
203.166.48.0/20		🇦🇺AU	allocated
203.166.32.0/20		🇦🇺AU	allocated
203.166.12.0/22		🇦🇺AU	assigned
203.166.52.0/22		🇺🇸US	assigned
203.166.104.0/23		🇦🇺AU	assigned
203.166.36.0/23		🇦🇺AU	assigned
203.166.94.0/23		🇦🇺AU	assigned
203.166.106.0/23		🇦🇺AU	assigned
203.166.125.0/24		🇦🇺AU	assigned
203.166.86.0/24		🇦🇺AU	assigned
203.166.63.0/24		🇦🇺AU	assigned
203.166.50.0/24		🇦🇺AU	assigned
203.166.83.0/24	AS395753	🇦🇺AU	assigned
203.166.115.0/24		🇦🇺AU	assigned
203.166.89.0/24		🇦🇺AU	assigned
203.166.112.0/24		🇦🇺AU	assigned
203.166.34.0/24	AS15572	🇦🇺AU	assigned
203.166.122.0/24		🇦🇺AU	assigned
203.166.41.0/24	AS1689	🇦🇺AU	assigned
203.166.102.0/24		🇦🇺AU	assigned
203.166.126.0/24		🇦🇺AU	assigned
203.166.61.0/24		🇦🇺AU	assigned
203.166.56.0/24		🇦🇺AU	assigned
203.166.120.0/24		🇦🇺AU	assigned
203.166.35.0/24		🇦🇺AU	assigned
203.166.114.0/24		🇦🇺AU	assigned
203.166.57.0/24		🇦🇺AU	assigned
203.166.82.128/25		🇦🇺AU	assigned
203.166.80.128/25		🇦🇺AU	assigned
203.166.80.0/25		🇦🇺AU	assigned
203.166.19.128/25		🇦🇺AU	assigned
203.166.44.128/25		🇦🇺AU	assigned
203.166.24.128/25		🇦🇺AU	assigned
203.166.118.0/25		🇦🇺AU	assigned
203.166.19.0/25		🇦🇺AU	assigned
203.166.29.0/26		🇦🇺AU	assigned
203.166.124.64/26		🇦🇺AU	assigned
203.166.6.0/26		🇦🇺AU	assigned
203.166.48.128/26		🇦🇺AU	assigned
203.166.51.0/26		🇦🇺AU	assigned
203.166.40.64/26		🇦🇺AU	assigned
203.166.44.64/26		🇦🇺AU	assigned
203.166.28.64/26		🇦🇺AU	assigned
203.166.11.192/26		🇦🇺AU	assigned
203.166.24.0/26		🇦🇺AU	assigned
203.166.5.0/26		🇦🇺AU	assigned
203.166.88.160/27		🇦🇺AU	assigned
203.166.88.192/27		🇦🇺AU	assigned
203.166.49.192/27		🇦🇺AU	assigned
203.166.87.32/27		🇦🇺AU	assigned
203.166.88.224/27		🇦🇺AU	assigned
203.166.6.192/27		🇦🇺AU	assigned
203.166.60.96/27		🇦🇺AU	assigned
203.166.60.128/27		🇦🇺AU	assigned
203.166.58.32/27		🇦🇺AU	assigned
203.166.123.0/27		🇦🇺AU	assigned
203.166.123.128/27		🇦🇺AU	assigned
203.166.46.128/27		🇦🇺AU	assigned
203.166.88.32/27		🇦🇺AU	assigned
203.166.119.0/27		🇦🇺AU	assigned
203.166.123.192/27		🇦🇺AU	assigned
203.166.5.160/27		🇦🇺AU	assigned
203.166.39.192/27		🇦🇺AU	assigned
203.166.110.96/27		🇦🇺AU	assigned
203.166.51.64/27		🇦🇺AU	assigned
203.166.111.192/27		🇦🇺AU	assigned
203.166.124.0/27		🇦🇺AU	assigned
203.166.100.192/27		🇦🇺AU	assigned
203.166.22.0/27		🇦🇺AU	assigned
203.166.38.224/27		🇦🇺AU	assigned
203.166.38.64/27		🇦🇺AU	assigned
203.166.4.160/27		🇦🇺AU	assigned
203.166.22.160/27		🇦🇺AU	assigned
203.166.100.128/27		🇦🇺AU	assigned
203.166.38.128/27		🇦🇺AU	assigned
203.166.100.32/27		🇦🇺AU	assigned
203.166.103.32/27		🇦🇺AU	assigned
203.166.110.32/27		🇦🇺AU	assigned
203.166.11.0/27		🇦🇺AU	assigned
203.166.51.96/27		🇦🇺AU	assigned
203.166.39.128/27		🇦🇺AU	assigned
203.166.29.192/27		🇦🇺AU	assigned
203.166.22.192/27		🇦🇺AU	assigned
203.166.38.0/27		🇦🇺AU	assigned
203.166.10.128/27		🇦🇺AU	assigned
203.166.39.32/27		🇦🇺AU	assigned
203.166.124.32/27		🇦🇺AU	assigned
203.166.88.0/28		🇦🇺AU	assigned
203.166.4.128/28		🇦🇺AU	assigned
203.166.87.128/28		🇦🇺AU	assigned
203.166.4.224/28		🇦🇺AU	assigned
203.166.62.176/28		🇦🇺AU	assigned
203.166.62.160/28		🇦🇺AU	assigned
203.166.62.32/28		🇦🇺AU	assigned
203.166.60.16/28		🇦🇺AU	assigned
203.166.58.112/28		🇦🇺AU	assigned
203.166.27.224/28		🇦🇺AU	assigned

Origin ASN

AS703

UUNET - Verizon Business

Geolocation

Country🇦🇺AustraliaAU

RegionNew South Wales

CityWollstonecraft

Coordinates-33.8230, 151.1940 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/203.166.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/203.166.0.0/17" | jq

External Links

RIPEstat Hurricane Electric BGP