AS1221 Telstra Limited — Consulta de informações do ASN

AS1221Telstra LimitedISP

WHOIS Topology

Australia · APNICtelstra.com.au

Hosts top sitesAnycastHome broadbandMobile networkRPKI filteringTor relays

IPv4 addresses

13.400.320

281 announced prefixes

IPv6 addresses

3.24 × 10³²

2 announced prefixes

BGP neighbours

…

CAIDA rank

#55

Customer cone 1.176 ASNs

Estimated users

9,22 mi

APNIC: 9,23 mi

RPKI

45% valid

0 invalid · 156 not covered

Average purity

100 sampled IPs

IXPs / facilities

0 / 3

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
1.128.0.0/11	Valid	TELSTRAINTERNET49-AUAPNIC	Brisbane	2.097.152
101.160.0.0/11	Valid	TELSTRAINTERNET50-AUAPNIC	Cairns	2.097.152
58.160.0.0/12	Valid	TELSTRAINTERNET42-AUAPNIC	Perth	1.048.576
121.208.0.0/12	Valid	TELSTRAINTERNET45-AUAPNIC	Townsville	1.048.576
124.176.0.0/12	Valid	TELSTRAINTERNET44-AUAPNIC	Brisbane	1.048.576
1.120.0.0/13	Valid	TELSTRAINTERNET49-AUAPNIC	Melbourne	524.288
60.224.0.0/13	Valid	TELSTRAINTERNET43-AUAPNIC	Kwinana	524.288
110.144.0.0/13	Valid	TELSTRAINTERNET48-AUAPNIC	Melbourne	524.288
120.144.0.0/13	Valid	TELSTRAINTERNET47-AUAPNIC	Sydney	524.288
203.40.0.0/13	Valid	TELSTRAINTERNET2-AUAPNIC	Sydney	524.288
120.152.0.0/14	Valid	TELSTRAINTERNET47-AUAPNIC	Townsville	262.144
144.132.0.0/14	Valid	TELSTRA-AUAPNIC	Melbourne	262.144
203.36.0.0/14	Valid	TELSTRAINTERNET10-AUAPNIC	Melbourne	262.144
203.48.0.0/14	Valid	TELSTRAINTERNET3-AUAPNIC	Perth	262.144
110.140.0.0/15	Valid	TELSTRAINTERNET48-AUAPNIC	Wagga Wagga	131.072
120.156.0.0/15	Valid	TELSTRAINTERNET47-AUAPNIC	Sydney	131.072
123.210.0.0/15	Valid	TELSTRAINTERNET46-AUAPNIC	Australia	131.072
144.136.0.0/15	Valid	TELSTRA-AUAPNIC	Sydney	131.072
203.52.0.0/15	Valid	TELSTRAINTERNET4-AUAPNIC	Sydney	131.072
101.103.0.0/16	Valid	TELSTRAINTERNET50-AUAPNIC	Sydney	65.536

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 236 / 52.345 （<1%） · flagged 166

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

101.160.0.0/1142/8192 with data · 29 flagged

120.156.0.0/1536/512 with data · 36 flagged

1.128.0.0/1127/8192 with data · 5 flagged

123.209.0.0/1624/256 with data · 24 flagged

58.160.0.0/1219/4096 with data · 13 flagged

110.144.0.0/1316/2048 with data · 10 flagged

124.176.0.0/1214/4096 with data · 11 flagged

120.144.0.0/139/2048 with data · 4 flagged

1.120.0.0/138/2048 with data · 1 flagged

60.224.0.0/136/2048 with data · 4 flagged

203.40.0.0/135/2048 with data · 5 flagged

123.210.0.0/155/512 with data · 5 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 7570–84 1650–69 80–49 1

0.01%

Share of IPv4 reported or blocklisted

1.793

Listed IPs

100

Analysed IPs

Riskiest /24 blocks

/24 block	Flagged	Analysed
101.176.79.0/24	1	1
101.190.106.0/24	1	1
110.140.49.0/24	1	1
110.149.193.0/24	1	1
120.147.155.0/24	1	1
120.147.23.0/24	1	1
203.45.204.0/24	1	1

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Australia100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Observação de tráfego

AS1221 · Últimos 7 dias

Mobile vs. Desktop

Desktop52.9%Mobile47.1%

Bots vs. Humanos

Humano90.2%Bot9.8%

Adoção e uso

Adoção e uso dos principais protocolos

Versão do Protocolo de Internet (IP)

IPv435.8%IPv664.2%

Versão do HTTP

HTTP/1.x

11.7%HTTP/2

53.2%HTTP/3

35.1%

HTTP vs. HTTPS

99.2% HTTPS (criptografado)

HTTP simples 0.8%

Versão do TLS

TLS 1.0/1.1< 0.1%TLS 1.26.0%TLS 1.358.6%QUIC35.4%

Segurança e ataques

Insights sobre o tráfego de ataques nas camadas de rede e de aplicação

Ataques na camada 7

GET

77.2%POST

17.9%HEAD

2.9%OPTIONS

1.4%PATCH

0.4%Outros

0.1%

Anúncios BGP

Anúncios de rotas BGP por hora nos últimos 7 dias

936.667

Total em 7 dias

44.487

Pico por hora

Dados: Cloudflare Radar, licenciado sob CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 04:00–05:00
Active hours: 17 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Wed

Carregando…

Upstreams e vizinhos BGP

AS1221Página independente

Carregando upstreams e vizinhos…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-23
Registered address & allocation date	RIR registration data (RDAP)	2026-10-08
Organization & company country	AS-to-organization data	2026-10-22
Network type	CleanIP ASN canon	2026-10-20
Exchanges & facilities	Operator self-reported interconnection data	2026-10-22
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-23
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-23
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-20
Network tags	Public routing data community tags	2026-10-23
IP reputation	CleanIP lookups and neighbour sampling	—

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