AS25977
HOUSTON COMMUNITY COLLEGE SYSTEM
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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
AS25977 — global IP footprint
Cities where AS25977 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 AS25977 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 |
|---|---|---|
| 198.64.57.0/24 | 8,977 | 2026-07-25 13:19:19 |
| 198.64.7.0/24 | 8,928 | 2026-07-25 13:19:19 |
| 198.64.27.0/24 | 8,754 | 2026-07-25 13:19:19 |
| 198.64.32.0/20 | 8,705 | 2026-07-25 13:19:19 |
| 198.64.26.0/24 | 8,690 | 2026-07-25 13:19:19 |
| 198.64.25.0/24 | 8,690 | 2026-07-25 13:19:19 |
| 198.64.29.0/24 | 8,678 | 2026-07-25 13:19:19 |
| 198.64.28.0/24 | 8,676 | 2026-07-25 13:19:19 |
| 198.64.8.0/21 | 8,665 | 2026-07-25 13:19:19 |
| 67.226.32.0/19 | 8,660 | 2026-07-25 12:04:08 |
| 198.64.24.0/24 | 8,653 | 2026-07-25 13:19:19 |
| 198.64.16.0/21 | 8,627 | 2026-07-25 13:19:19 |
| 67.226.64.0/19 | 8,450 | 2026-07-25 12:04:08 |
| 67.226.96.0/19 | 8,422 | 2026-07-25 12:04:08 |
| 67.226.26.0/24 | 8,408 | 2026-07-25 12:04:08 |
| 67.226.11.0/24 | 8,403 | 2026-07-25 12:04:08 |
| 67.226.2.0/24 | 8,391 | 2026-07-25 12:04:11 |
| 67.226.20.0/24 | 8,389 | 2026-07-25 12:04:08 |
| 67.226.27.0/24 | 8,384 | 2026-07-25 12:04:08 |
| 67.226.28.0/24 | 8,379 | 2026-07-25 12:04:08 |
| 67.226.31.0/24 | 8,376 | 2026-07-25 12:04:08 |
| 67.226.22.0/24 | 8,359 | 2026-07-25 12:04:08 |
| 67.226.12.0/24 | 8,359 | 2026-07-25 12:04:08 |
| 67.226.5.0/24 | 8,358 | 2026-07-25 12:04:08 |
| 67.226.16.0/24 | 8,355 | 2026-07-25 12:04:08 |
| 67.226.25.0/24 | 8,346 | 2026-07-25 12:04:08 |
| 67.226.8.0/24 | 8,341 | 2026-07-25 12:04:08 |
| 67.226.15.0/24 | 8,339 | 2026-07-25 12:04:08 |
| 67.226.21.0/24 | 8,338 | 2026-07-25 12:04:08 |
| 67.226.30.0/24 | 8,333 | 2026-07-25 12:04:08 |
| 67.226.23.0/24 | 8,332 | 2026-07-25 12:04:08 |
| 67.226.13.0/24 | 8,319 | 2026-07-25 12:04:08 |
| 67.226.14.0/24 | 8,309 | 2026-07-25 12:04:08 |
| 67.226.18.0/24 | 8,309 | 2026-07-25 12:04:08 |
| 67.226.10.0/24 | 8,308 | 2026-07-25 12:04:08 |
| 67.226.3.0/24 | 8,303 | 2026-07-25 12:04:08 |
| 67.226.9.0/24 | 8,300 | 2026-07-25 12:04:08 |
| 67.226.24.0/24 | 8,291 | 2026-07-25 12:04:08 |
| 67.226.6.0/24 | 8,290 | 2026-07-25 12:04:11 |
| 67.226.29.0/24 | 8,287 | 2026-07-25 12:04:08 |
| 67.226.17.0/24 | 8,277 | 2026-07-25 12:04:08 |
| 67.226.19.0/24 | 8,254 | 2026-07-25 12:04:08 |
| 67.226.0.0/24 | 7,398 | 2026-07-25 12:03:58 |
| 67.226.4.0/24 | 7,366 | 2026-07-25 12:03:54 |
Frequently Asked Questions
What is AS25977?
AS25977 is an Autonomous System Number assigned to HOUSTON COMMUNITY COLLEGE SYSTEM. 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 AS25977 announce?
AS25977 announces 42.5K IPv4 addresses distributed across 15 routed CIDR prefixes. The network is registered in United States.
Who operates AS25977?
AS25977 is operated by HOUSTON COMMUNITY COLLEGE SYSTEM. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS25977 registered in?
AS25977 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
