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Autonomous System

AS3734

Santa Clara County Office of Education

Announced IPs
142,080
CIDR prefixes
11
ASN
AS3734

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3734 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
143.254.0.0/16 34,587 2026-11-14 22:21:45
170.91.128.0/18 34,269 2026-11-14 22:21:45
204.88.128.0/19 32,808 2026-11-14 22:21:45
205.159.27.0/24 32,694 2026-11-14 22:21:45
205.174.240.0/20 32,683 2026-11-14 22:21:45
204.250.96.0/20 32,667 2026-11-14 22:21:45
199.233.182.0/24 32,667 2026-11-14 22:21:45
207.31.0.0/18 32,656 2026-11-14 22:21:45
205.167.46.0/23 32,577 2026-11-14 22:21:45
206.213.128.0/18 32,560 2026-11-14 22:21:45
209.68.128.0/19 32,346 2026-11-14 22:21:45
205.173.47.0/24 31,316 2026-11-14 22:21:45
205.173.40.0/21 28,833 2026-11-14 22:21:02
170.91.188.0/22 27,988 2026-11-14 22:21:02
206.213.130.0/24 23,637 2026-11-14 22:21:46
204.88.140.0/24 21,947 2026-10-18 22:22:42
209.68.154.0/24 11,593 2026-10-30 05:04:50
207.31.55.0/24 9,847 2026-10-30 05:04:50
207.31.33.0/24 9,846 2026-10-30 05:04:50
206.213.176.0/24 6,135 2026-11-14 22:21:03
204.88.154.0/24 6,106 2026-11-14 22:21:03
206.213.169.0/24 2,305 2026-08-05 18:23:11
207.31.42.0/24 2,301 2026-08-05 18:23:11
209.68.142.0/24 2,300 2026-08-05 18:23:11
170.91.148.0/24 2,298 2026-08-05 18:23:11
207.31.0.0/21 2,214 2026-08-05 18:23:11
170.91.132.0/22 2,212 2026-08-05 18:23:11
206.213.186.0/24 2,211 2026-08-05 18:23:11
206.213.162.0/24 2,206 2026-08-05 18:23:11
207.31.8.0/23 2,206 2026-08-05 18:23:11
206.213.128.0/24 2,203 2026-08-05 18:23:11
207.31.44.0/24 2,203 2026-08-05 18:23:11
207.31.45.0/24 2,203 2026-08-05 18:23:11
170.91.165.0/24 2,202 2026-08-05 18:23:11
207.31.23.0/24 2,201 2026-08-05 18:23:11
206.213.189.0/24 2,201 2026-08-05 18:23:11
206.213.187.0/24 2,200 2026-08-05 18:23:11
206.213.165.0/24 2,200 2026-08-05 18:23:11
206.213.166.0/24 2,200 2026-08-05 18:23:11
207.31.27.0/24 2,199 2026-08-05 18:23:11
207.31.57.0/24 2,199 2026-08-05 18:23:11
204.88.144.0/24 2,199 2026-08-05 18:23:11
206.213.129.0/24 2,199 2026-08-05 18:23:11
143.254.0.0/24 2,198 2026-08-05 18:23:11
209.68.158.0/24 2,198 2026-08-05 18:23:11
207.31.60.0/24 2,198 2026-08-05 18:23:11
209.68.132.0/23 2,198 2026-08-05 18:23:11
206.213.164.0/24 2,197 2026-08-05 18:23:11
207.31.56.0/24 2,196 2026-08-05 18:23:11
209.68.139.0/24 2,196 2026-08-05 18:23:11

Showing top 50 of 74 announced prefixes by sample volume.

Frequently Asked Questions

What is AS3734?

AS3734 is an Autonomous System Number assigned to Santa Clara County Office of Education. 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 AS3734 announce?

AS3734 announces 142.1K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in United States.

Who operates AS3734?

AS3734 is operated by Santa Clara County Office of Education. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS3734 registered in?

AS3734 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-15 00:39:05 UTC
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