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Autonomous System

AS203877

Astra Telekom Doo Beograd

Announced IPs
14,592
CIDR prefixes
23
ASN
AS203877

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

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record RIPE::AS203877

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
178.22.216.0/21 2.0K
96.4%
Astra Telekom Doo Beograd RS Vojvodina Pančevo
62.240.0.0/22 1.0K
99.2%
Astra Telekom Doo Beograd RS Vojvodina Crna Bara
62.240.8.0/22 1.0K
99.3%
Astra Telekom Doo Beograd RS
62.240.16.0/22 1.0K
99.2%
Astra Telekom Doo Beograd RS Vojvodina Banatsko Novo Selo
85.202.112.0/22 1.0K
98.9%
Astra Telekom Doo Beograd RS Šumadija Opština Aranđelovac
91.226.240.0/22 1.0K
34.4%
Astra Telekom Doo Beograd RS Vojvodina Krčedin
109.94.120.0/22 1.0K
0.0%
Astra Telekom Doo Beograd RS
109.94.224.0/22 1.0K
0.2%
Astra Telekom Doo Beograd RS Vojvodina Aradac
185.102.236.0/22 1.0K
0.6%
Astra Telekom Doo Beograd RS Mačva Skupljen
185.118.168.0/22 1.0K
3.3%
Astra Telekom Doo Beograd RS
62.240.12.0/23 512
99.0%
Astra Telekom Doo Beograd RS
85.202.112.0/23 512
0.0%
Astra Telekom Doo Beograd RS
85.202.120.0/23 512
98.4%
Astra Telekom Doo Beograd RS
85.202.126.0/23 512
0.0%
Astra Telekom Doo Beograd RS
62.240.5.0/24 256
99.2%
Astra Telekom Doo Beograd RS
62.240.7.0/24 256
99.2%
Astra Telekom Doo Beograd RS Mačva Debrc
62.240.12.0/24 256
98.8%
Astra Telekom Doo Beograd RS
62.240.15.0/24 256
99.2%
Astra Telekom Doo Beograd RS
85.202.114.0/24 256
0.0%
Astra Telekom Doo Beograd RS
85.202.118.0/24 256
98.8%
Astra Telekom Doo Beograd RS
85.202.122.0/24 256
0.4%
Astra Telekom Doo Beograd RS Vojvodina Subotica
85.202.125.0/24 256
0.0%
Astra Telekom Doo Beograd RS
109.94.119.0/24 256
0.0%
Astra Telekom Doo Beograd RS

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203877 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
62.240.16.0/24 192,100 2026-09-10 18:39:32
85.202.125.0/24 58,703 2026-09-10 18:07:51
85.202.122.0/24 48,952 2026-09-10 18:07:51
109.94.224.0/22 42,781 2026-09-10 18:37:12
109.94.120.0/22 42,331 2026-09-10 18:37:12
109.94.119.0/24 41,170 2026-09-10 18:39:32
85.202.115.0/24 26,781 2026-09-10 18:37:12
62.240.2.0/24 25,430 2026-09-10 18:37:12
62.240.13.0/24 24,598 2026-09-10 18:37:12
62.240.5.0/24 23,373 2026-09-10 18:08:44
85.202.112.0/24 21,846 2026-09-10 18:37:12
62.240.17.0/24 21,585 2026-09-10 18:39:32
85.202.120.0/24 19,802 2026-09-10 18:07:51
85.202.126.0/24 19,637 2026-09-10 18:39:32
185.118.170.0/24 19,009 2026-09-10 18:37:12
62.240.3.0/24 19,000 2026-09-10 18:08:44
62.240.1.0/24 18,785 2026-09-10 18:37:12
85.202.114.0/24 18,705 2026-09-10 18:39:32
178.22.218.0/24 18,434 2026-09-10 18:39:32
178.22.221.0/24 18,236 2026-09-10 18:07:51
178.22.222.0/24 18,114 2026-09-10 18:07:51
62.240.18.0/24 18,053 2026-09-10 18:39:32
85.202.118.0/24 17,796 2026-09-10 18:37:12
62.240.15.0/24 17,182 2026-09-10 18:08:44
178.22.220.0/24 16,880 2026-09-10 18:37:12
85.202.121.0/24 16,756 2026-09-10 18:39:38
185.118.171.0/24 16,702 2026-09-10 18:39:38
85.202.113.0/24 16,699 2026-09-10 18:39:32
62.240.19.0/24 16,611 2026-09-10 18:39:32
178.22.216.0/24 16,556 2026-09-10 18:36:30
62.240.7.0/24 16,524 2026-09-10 18:37:12
91.226.242.0/24 16,478 2026-09-10 18:39:32
185.102.236.0/22 16,435 2026-09-10 18:39:38
178.22.223.0/24 16,389 2026-09-10 18:07:51
178.22.217.0/24 16,120 2026-09-10 18:07:51
85.202.127.0/24 16,025 2026-09-10 18:13:19
178.22.219.0/24 16,001 2026-09-10 18:37:12
62.240.8.0/22 15,964 2026-09-10 18:13:19
62.240.12.0/24 15,962 2026-09-10 18:13:19
185.118.169.0/24 15,932 2026-09-10 18:13:19
91.226.243.0/24 15,264 2026-09-10 18:39:38
62.240.0.0/24 14,657 2026-09-10 18:39:38
185.118.168.0/24 14,400 2026-09-10 18:39:38
91.226.241.0/24 14,335 2026-09-10 18:39:32
91.226.240.0/24 14,328 2026-09-10 18:39:32
91.226.243.173/32 2 2026-08-09 21:27:02
178.22.221.178/32 1 2026-07-30 16:09:05

Frequently Asked Questions

What is AS203877?

AS203877 is an Autonomous System Number assigned to Astra Telekom Doo Beograd. 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 AS203877 announce?

AS203877 announces 14.6K IPv4 addresses distributed across 23 routed CIDR prefixes. The network is registered in Serbia.

Who operates AS203877?

AS203877 is operated by Astra Telekom Doo Beograd. The organization is based in Serbia. You can view all IP ranges and related ASNs on the organization page.

What country is AS203877 registered in?

AS203877 is registered in Serbia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 18:54:06 UTC
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