Home ASN LookupAS1221

AS1221

🇦🇺

ASN-TELSTRA - Telstra LimitedORG-TC6-AP

Telstra Limited

APNICallocatedASPA Published

Announced Prefixes (BGP)

290total

287 IPv43 IPv6

IPv4 Addresses ⓘ

Allocated (RIR)13.0M

Announced (BGP)13.4M

IPv6 Addresses ⓘ

Allocated (RIR)3.2×10^32

Announced (BGP)3.2×10^32

Prefix Limit (IPv4)

20,000

Prefix Limit (IPv6)

Country

🇦🇺 AU

RIR

APNIC

Status

allocated

Allocated

1/31/2000

Announced Prefixes

(BGP)290

Prefix	RPKI	IRR	Last Seen
1.120.0.0/13	Valid	APNIC	9/8/2026
1.128.0.0/11	Valid	APNIC	9/8/2026
58.160.0.0/12	Valid	APNIC	9/8/2026
60.224.0.0/13	Valid	APNIC	9/8/2026
61.8.0.0/19	Valid	APNIC	9/8/2026
61.9.128.0/17	Valid	APNIC	9/8/2026
66.111.164.0/24	No ROA	—	9/8/2026
66.111.166.0/24	No ROA	—	9/8/2026
66.111.168.0/24	No ROA	—	9/8/2026
66.111.171.0/24	No ROA	—	9/8/2026

1–10 of 290

1 / 29

Allocated Prefixes

(RIR)145

Prefix	Country	RIR	Status
1.120.0.0/13	🇦🇺 AU	APNIC	allocated
1.128.0.0/11	🇦🇺 AU	APNIC	allocated
58.160.0.0/12	🇦🇺 AU	APNIC	assigned
60.224.0.0/13	🇦🇺 AU	APNIC	allocated
61.8.0.0/19	🇦🇺 AU	APNIC	allocated
61.9.128.0/17	🇦🇺 AU	APNIC	allocated
101.103.0.0/16	🇦🇺 AU	APNIC	allocated
101.160.0.0/11	🇦🇺 AU	APNIC	allocated
103.58.212.0/24	🇦🇺 AU	APNIC	assigned
103.78.241.0/24	🇦🇺 AU	APNIC	assigned

1–10 of 145

1 / 15

Upstream Providers(1)

ASN	Name
AS4637	🇭🇰ASN-TELSTRA-GLOBAL - Telstra Global

Downstream Customers(7)

ASN	Name
AS4608	🇦🇺APNIC-SERVICES - Asia Pacific Network Information Centre
AS4632	🇦🇺TMNS-AS - Telstra Managed Network Services
AS45163	🇦🇺APNICRANDNET-TUI2-AU - TUI experiment
AS63919	🇦🇺JETP-AU - Jeanneret Electrical Technologies P/L
AS132528	🇦🇺DIGICELAUSPTYLTD-AS-AP - DIGICEL (AUS) PTY LTD
AS135887	🇦🇺TELSTRA-BELONG-AP - Belong (Telstra Limited)
AS153643	🇦🇺CHW-AS-AP - Central Highlands Region Water Corporation

ASPA

Published1 upstream, 7 downstreams

Authorized Upstream Providers

AS4637

Expires Sep 17, 2026

Listed as Upstream Provider by

7 ASNs

View full ASPA details →

External Links

APNIC Whois Hurricane Electric BGP RIPEstat PeeringDB

API

Open

GEThttps://api.ipctl.io/v1/asn/1221

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

curl -s "https://api.ipctl.io/v1/asn/1221" | jq