AS19637
Avago Technologies U.S. Inc.
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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS19637 — global IP footprint
Cities where AS19637 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS19637 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 192.19.36.0/24 | 83,194 | 2026-07-23 09:57:55 |
| 192.19.234.0/24 | 75,443 | 2026-07-23 09:57:55 |
| 192.19.243.0/24 | 69,919 | 2026-07-23 09:58:07 |
| 192.19.203.0/24 | 68,545 | 2026-07-23 09:53:04 |
| 192.19.252.0/24 | 67,749 | 2026-07-23 09:57:55 |
| 192.19.212.0/24 | 59,999 | 2026-07-23 09:53:08 |
| 135.14.212.0/24 | 59,411 | 2026-07-23 09:53:08 |
| 135.14.252.0/24 | 54,193 | 2026-07-23 09:57:55 |
| 192.19.202.0/24 | 20,757 | 2026-07-23 10:05:56 |
| 192.19.222.0/24 | 18,832 | 2026-07-23 09:58:19 |
| 192.19.50.0/24 | 17,528 | 2026-07-23 09:53:23 |
| 192.19.251.0/24 | 16,618 | 2026-07-23 10:03:46 |
| 192.19.207.0/24 | 12,177 | 2026-07-23 09:53:24 |
| 192.19.236.0/24 | 11,733 | 2026-07-23 10:03:47 |
| 135.14.236.0/24 | 11,323 | 2026-07-23 10:03:47 |
| 192.19.59.0/24 | 10,907 | 2026-07-23 09:58:09 |
| 192.19.191.0/24 | 10,756 | 2026-07-23 09:53:26 |
| 192.19.142.0/24 | 10,504 | 2026-07-23 09:37:09 |
| 192.19.143.0/24 | 10,501 | 2026-07-23 09:37:09 |
| 192.19.210.0/24 | 10,494 | 2026-07-23 09:37:09 |
| 192.19.138.0/23 | 10,466 | 2026-07-23 09:37:09 |
| 192.19.136.0/23 | 10,421 | 2026-07-23 09:37:09 |
| 192.19.155.0/24 | 10,419 | 2026-07-23 09:37:09 |
| 135.14.254.0/24 | 10,418 | 2026-07-23 09:37:09 |
| 192.19.140.0/24 | 10,403 | 2026-07-23 09:37:09 |
| 192.19.141.0/24 | 10,396 | 2026-07-23 09:37:09 |
| 192.19.125.0/24 | 10,336 | 2026-07-23 09:37:09 |
| 192.19.217.0/24 | 10,320 | 2026-07-23 09:37:09 |
| 192.19.221.0/24 | 10,320 | 2026-07-23 09:37:09 |
| 192.19.216.0/24 | 10,314 | 2026-07-23 09:37:09 |
| 192.19.253.0/24 | 10,306 | 2026-07-23 09:37:09 |
| 192.19.66.0/24 | 10,269 | 2026-07-23 09:58:02 |
| 135.14.66.0/24 | 10,243 | 2026-07-23 09:58:02 |
| 192.19.196.0/24 | 10,196 | 2026-07-23 09:58:02 |
| 135.14.196.0/24 | 10,166 | 2026-07-23 09:58:02 |
| 192.19.38.0/24 | 10,028 | 2026-07-23 10:03:47 |
| 192.19.224.0/24 | 8,531 | 2026-07-23 10:05:58 |
| 192.19.247.0/24 | 8,526 | 2026-07-23 10:05:57 |
| 135.14.238.0/24 | 8,427 | 2026-07-23 10:03:03 |
| 192.19.218.0/24 | 8,081 | 2026-07-23 09:37:12 |
| 192.19.220.0/24 | 8,069 | 2026-07-23 09:37:12 |
| 192.19.225.0/24 | 8,016 | 2026-07-23 10:05:58 |
| 192.19.24.0/24 | 7,937 | 2026-07-23 10:06:00 |
| 192.19.238.0/24 | 7,383 | 2026-07-23 09:53:24 |
| 192.19.232.0/24 | 6,825 | 2026-07-23 09:53:13 |
| 135.14.148.0/24 | 6,485 | 2026-07-23 10:06:28 |
| 192.19.126.0/24 | 6,483 | 2026-07-23 10:06:28 |
| 192.19.124.0/24 | 6,443 | 2026-07-23 10:06:28 |
| 192.19.171.0/24 | 6,143 | 2026-07-23 09:58:06 |
| 192.19.170.0/24 | 6,141 | 2026-07-23 09:58:06 |
Showing top 50 of 95 announced prefixes by sample volume.
Frequently Asked Questions
What is AS19637?
AS19637 is an Autonomous System Number assigned to Avago Technologies U.S. Inc.. 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 AS19637 announce?
AS19637 announces 24.6K IPv4 addresses distributed across 63 routed CIDR prefixes. The network is registered in United States.
Who operates AS19637?
AS19637 is operated by Avago Technologies U.S. Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS19637 registered in?
AS19637 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
