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Autonomous System

AS31205

PJSC MegaFon

Announced IPs
19,712
CIDR prefixes
26
ASN
AS31205

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.

69/100
Moderate
How this score is built

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
83.169.248.0/21 2.0K
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
178.176.240.0/21 2.0K
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.0.0/21 2.0K
0.3%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.88.0/21 2.0K
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
31.173.244.0/22 1.0K
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
78.25.92.0/22 1.0K
0.5%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
83.149.48.0/22 1.0K
4.9%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.8.0/22 1.0K
0.7%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.170.240.0/22 1.0K
0.0%
PJSC MegaFon RU
31.173.242.0/23 512
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
37.29.86.0/23 512
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
46.232.202.0/23 512
0.2%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
85.26.228.0/23 512
0.2%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
185.210.142.0/23 512
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.12.0/23 512
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.78.0/23 512
0.4%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.82.0/23 512
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
46.232.200.0/24 256
2.7%
PJSC MegaFon RU
85.26.227.0/24 256
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
85.26.230.0/24 256
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
128.204.67.0/24 256
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
178.176.48.0/24 256
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
178.178.200.0/24 256
0.0%
PJSC MegaFon RU Altai Krai Barnaul
188.162.81.0/24 256
0.0%
PJSC MegaFon RU Novosibirsk Oblast Novosibirsk
188.162.85.0/24 256
0.0%
PJSC MegaFon RU
188.162.87.0/24 256
0.0%
PJSC MegaFon RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS31205 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
37.29.86.0/23 65,679 2026-09-11 16:45:38
83.169.252.0/22 63,358 2026-09-11 16:45:38
83.169.248.0/22 63,323 2026-09-11 16:45:38
46.232.202.0/23 59,751 2026-09-11 16:45:38
31.173.242.0/23 55,393 2026-09-11 16:45:42
31.173.244.0/22 51,924 2026-09-11 16:45:38
78.25.92.0/23 49,020 2026-09-11 16:45:38
78.25.94.0/23 48,912 2026-09-11 16:45:38
83.149.49.0/24 48,552 2026-09-11 16:45:39
83.149.48.0/24 48,461 2026-09-11 16:45:39
85.26.227.0/24 48,078 2026-09-11 16:45:38
85.26.228.0/24 48,076 2026-09-11 16:45:38
85.26.229.0/24 48,075 2026-09-11 16:45:38
85.26.230.0/24 47,942 2026-09-11 16:45:38
83.149.51.0/24 47,221 2026-09-11 16:45:40
83.149.50.0/24 47,051 2026-09-11 16:45:38
46.232.200.0/24 43,140 2026-09-11 16:45:39
178.176.48.0/24 36,222 2026-09-11 16:45:42
188.162.78.0/24 35,951 2026-09-11 16:45:38
188.162.4.0/22 35,940 2026-09-11 16:45:38
188.162.12.0/23 35,888 2026-09-11 16:45:38
178.178.200.0/24 35,847 2026-09-11 16:45:38
188.162.10.0/23 35,812 2026-09-11 16:45:38
188.162.79.0/24 34,632 2026-09-11 16:45:38
188.162.92.0/22 34,397 2026-09-11 16:45:38
188.162.2.0/23 34,372 2026-09-11 16:45:07
188.162.82.0/24 34,323 2026-09-11 16:45:38
188.162.0.0/24 34,211 2026-09-11 16:45:41
188.162.88.0/24 34,155 2026-09-11 16:45:38
188.162.90.0/23 34,011 2026-09-11 16:45:38
178.176.240.0/22 34,009 2026-09-11 16:45:38
178.176.244.0/22 33,977 2026-09-11 16:45:38
188.162.1.0/24 33,906 2026-09-11 16:45:40
188.162.8.0/23 33,820 2026-09-11 16:45:42
188.162.81.0/24 33,670 2026-09-11 16:45:42
188.170.240.0/22 33,570 2026-09-11 16:45:38
188.162.85.0/24 33,260 2026-09-11 16:45:42
188.162.89.0/24 33,243 2026-09-11 16:45:42
188.162.83.0/24 33,224 2026-09-11 16:45:42
188.162.87.0/24 33,161 2026-09-11 16:45:42
128.204.67.0/24 22,464 2026-09-11 17:09:49
185.210.142.0/23 20,743 2026-09-11 16:45:41

Frequently Asked Questions

What is AS31205?

AS31205 is an Autonomous System Number assigned to PJSC MegaFon. 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 AS31205 announce?

AS31205 announces 19.7K IPv4 addresses distributed across 26 routed CIDR prefixes. The network is registered in Russia.

Who operates AS31205?

AS31205 is operated by PJSC MegaFon. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS31205 registered in?

AS31205 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 17:56:08 UTC
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