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Autonomous System

AS51825

Telzar 019 International Telecommunications Services LTD

Announced IPs
13,312
CIDR prefixes
8
ASN
AS51825

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51825 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
213.137.64.0/24 43,426 2026-07-18 10:53:00
46.31.101.0/24 42,273 2026-07-18 11:33:00
46.31.100.0/24 41,748 2026-07-18 10:53:00
147.234.97.0/24 41,138 2026-07-18 10:53:00
147.234.96.0/24 40,476 2026-07-18 11:33:00
213.137.65.0/24 36,208 2026-07-18 11:33:00
141.226.82.0/24 35,914 2026-07-18 11:33:00
147.234.92.0/22 28,810 2026-07-18 10:53:00
46.31.96.0/21 25,461 2026-07-18 10:53:00
147.234.96.0/21 25,102 2026-07-18 10:53:00
185.24.204.0/22 25,007 2026-07-18 10:53:00
141.226.82.0/23 24,930 2026-07-18 10:53:00
147.234.101.0/24 22,438 2026-07-18 10:53:00
46.31.96.0/24 21,584 2026-07-18 10:53:00
147.234.100.0/24 21,152 2026-07-18 10:53:00
147.234.64.0/24 20,801 2026-07-18 10:53:00
147.234.98.0/24 19,606 2026-07-18 10:53:00
213.137.79.0/24 19,419 2026-07-18 11:33:00
46.31.102.0/23 19,199 2026-07-18 10:53:00
46.31.100.0/23 19,197 2026-07-18 10:53:00
185.24.204.0/23 18,228 2026-07-18 10:53:00
46.31.97.0/24 13,345 2026-07-18 10:53:00
141.226.83.0/24 12,576 2026-07-18 10:53:00
213.137.77.0/24 11,433 2026-07-18 10:53:00
46.31.99.0/24 11,123 2026-07-18 10:53:00
46.31.96.0/23 10,412 2026-07-18 10:53:00
46.31.98.0/23 9,507 2026-07-18 10:53:00
147.234.73.0/24 9,316 2026-07-18 10:53:00
185.24.206.0/23 9,292 2026-07-18 10:53:00
213.137.64.0/20 7,816 2026-07-18 10:53:00
147.234.72.0/23 6,388 2026-07-18 10:53:00
147.234.64.0/21 6,371 2026-07-18 10:53:00
213.137.71.0/24 5,765 2026-07-18 10:52:27
213.137.73.0/24 5,687 2026-07-18 10:52:30
213.137.67.0/24 5,204 2026-07-18 10:52:46
213.137.66.0/24 5,135 2026-07-18 10:52:57
213.137.72.0/23 5,008 2026-07-13 06:46:16
213.137.78.0/24 4,784 2026-07-18 10:52:30
147.234.68.0/24 4,710 2026-07-18 10:52:30
147.234.72.0/24 4,687 2026-07-18 10:52:30
213.137.72.0/24 145 2026-07-17 22:13:40

Frequently Asked Questions

What is AS51825?

AS51825 is an Autonomous System Number assigned to Telzar 019 International Telecommunications Services LTD. 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 AS51825 announce?

AS51825 announces 13.3K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Israel.

Who operates AS51825?

AS51825 is operated by Telzar 019 International Telecommunications Services LTD. The organization is based in Israel. You can view all IP ranges and related ASNs on the organization page.

What country is AS51825 registered in?

AS51825 is registered in Israel. 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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