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Autonomous System

AS135887

Belong (Telstra Limited)

Announced IPs
458,751
CIDR prefixes
22
ASN
AS135887

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Telstra

Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share.

Founded
1975
Headquarters
Melbourne
Industry
telecommunications
Employees
31,931

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Australia
Traffic ratio Not Disclosed
Peering policy Open

AS135887 — global IP footprint

Cities where AS135887 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
120.159.0.0/16 65.5K
98.8%
Belong Telstra Limited AU New South Wales Sydney
141.168.0.0/16 65.5K
87.9%
Belong Telstra Limited AU Tasmania Hobart
144.138.0.0/16 65.5K
96.5%
Belong Telstra Limited AU Queensland Brisbane
147.10.0.0/16 65.5K
99.2%
Belong Telstra Limited AU New South Wales Sydney
149.167.0.0/16 65.5K
95.0%
Belong Telstra Limited AU Victoria Melbourne
155.143.0.0/16 65.5K
93.1%
Belong Telstra Limited AU New South Wales Sydney
123.208.0.0/17 32.8K
99.5%
Belong Telstra Limited AU New South Wales Sydney
123.208.128.0/17 32.8K
0.0%
AU New South Wales Sydney
123.208.64.0/18 16.4K
0.0%
AU Queensland Brisbane
123.208.192.0/18 16.4K
99.0%
Belong Telstra Limited AU South Australia Adelaide
123.208.32.0/19 8.2K
0.0%
AU New South Wales Sydney
123.208.160.0/19 8.2K
99.8%
Belong Telstra Limited AU New South Wales Sydney
123.208.16.0/20 4.1K
0.0%
AU New South Wales Sydney
123.208.128.0/20 4.1K
99.6%
Belong Telstra Limited AU Australian Capital Territory Canberra
123.208.8.0/21 2.0K
0.0%
AU New South Wales Sydney
123.208.144.0/21 2.0K
99.8%
Belong Telstra Limited AU Western Australia Perth
123.208.4.0/22 1.0K
0.0%
AU New South Wales Sydney
123.208.156.0/22 1.0K
98.6%
Belong Telstra Limited AU Western Australia Perth
123.208.2.0/23 512
0.0%
AU New South Wales Sydney
123.208.154.0/23 512
99.4%
Belong Telstra Limited AU South Australia Adelaide
123.208.1.0/24 256
0.0%
AU
123.208.152.0/24 256
99.6%
Belong Telstra Limited AU Western Australia Perth
123.208.0.0/25 128
0.0%
AU
123.208.153.0/25 128
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.192/26 64
0.0%
AU
123.208.153.128/26 64
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.160/27 32
0.0%
AU
123.208.153.192/27 32
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.128/28 16
0.0%
AU
123.208.153.240/28 16
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.144/29 8
0.0%
AU
123.208.153.232/29 8
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.152/30 4
0.0%
AU
123.208.153.224/30 4
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.156/31 2
0.0%
AU
123.208.153.228/31 2
100.0%
Belong Telstra Limited AU Western Australia Perth
123.208.0.158 1
0.0%
AU
123.208.0.159 1
0.0%
UM
123.208.153.231/32 1
100.0%
Belong Telstra Limited AU Western Australia Perth

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS135887 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
120.159.110.0/23 15,410 2026-07-18 10:54:40
141.168.64.0/20 14,249 2026-07-18 10:54:40
155.143.0.0/16 13,064 2026-07-18 10:54:40
149.167.0.0/16 13,029 2026-07-18 10:54:40
147.10.0.0/16 13,017 2026-07-18 10:54:40
141.168.0.0/16 13,016 2026-07-18 10:54:40
144.138.0.0/16 13,009 2026-07-18 10:54:40
123.208.0.0/16 12,943 2026-07-18 10:54:40
120.159.0.0/16 12,931 2026-07-18 10:54:40
141.168.96.0/20 9,564 2026-07-18 10:54:41
144.138.1.0/24 9,555 2026-07-18 10:54:41
141.168.224.0/22 9,551 2026-07-18 10:54:41
120.159.66.0/23 9,462 2026-07-18 10:54:40
123.208.20.0/23 9,462 2026-07-18 10:54:40
120.159.38.0/23 9,453 2026-07-18 10:54:40
147.10.36.0/22 9,446 2026-07-18 10:54:40
147.10.20.0/22 9,414 2026-07-18 10:54:40
147.10.216.0/23 9,407 2026-07-18 10:54:40
147.10.12.0/22 9,393 2026-07-18 10:54:40
123.208.36.0/23 9,367 2026-07-18 10:54:40
149.167.63.0/24 9,352 2026-07-18 10:54:41
120.159.24.0/23 9,342 2026-07-18 10:54:40
149.167.31.0/24 9,342 2026-07-18 10:54:41
149.167.62.0/24 9,341 2026-07-18 10:54:41
149.167.173.0/24 9,338 2026-07-18 10:54:41
149.167.181.0/24 9,334 2026-07-18 10:54:41
147.10.44.0/22 9,333 2026-07-18 10:54:40
149.167.29.0/24 9,333 2026-07-18 10:54:41
149.167.33.0/24 9,331 2026-07-18 10:54:41
149.167.175.0/24 9,329 2026-07-18 10:54:41
123.208.12.0/23 9,329 2026-07-18 10:54:40
149.167.177.0/24 9,328 2026-07-18 10:54:41
149.167.179.0/24 9,327 2026-07-18 10:54:41
149.167.35.0/24 9,327 2026-07-18 10:54:41
149.167.39.0/24 9,327 2026-07-18 10:54:41
149.167.37.0/24 9,325 2026-07-18 10:54:41
149.167.138.0/24 9,320 2026-07-18 10:54:41
147.10.234.0/23 9,311 2026-07-18 10:54:40
155.143.0.0/20 9,283 2026-07-18 10:54:40
123.208.32.0/23 9,279 2026-07-18 10:54:40
147.10.238.0/23 9,240 2026-07-18 10:54:40
123.208.44.0/23 9,233 2026-07-18 10:54:40
155.143.32.0/20 9,232 2026-07-18 10:54:40
123.208.46.0/23 9,211 2026-07-18 10:54:40
120.159.32.0/23 9,206 2026-07-18 10:54:40
147.10.4.0/22 9,181 2026-07-18 10:54:40
141.168.206.0/23 9,151 2026-07-18 10:54:40
155.143.232.0/21 9,141 2026-07-18 10:54:40
120.159.14.0/23 9,098 2026-07-18 10:54:40
144.138.0.0/24 9,095 2026-07-18 10:54:40

Showing top 50 of 401 announced prefixes by sample volume.

Frequently Asked Questions

What is AS135887?

AS135887 is an Autonomous System Number assigned to Belong (Telstra Limited). An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS135887 announce?

AS135887 announces 458.8K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in Australia.

Who operates AS135887?

AS135887 is operated by Belong Telstra Limited. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS135887 registered in?

AS135887 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:40:32 UTC
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