AS6527
Commonwealth of Massachusetts
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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 146.243.0.0/16 | 65.5K |
0.4%
|
Commonwealth of Massachusetts | US | Massachusetts | Somerset |
| 170.63.0.0/16 | 65.5K |
0.7%
|
Commonwealth of Massachusetts | US | Massachusetts | Boston |
| 170.154.0.0/16 | 65.5K |
0.0%
|
Commonwealth of Massachusetts | US | Massachusetts | Norfolk |
| 204.130.64.0/18 | 16.4K |
0.2%
|
Commonwealth of Massachusetts | US | Massachusetts | Mattapan |
| 204.88.96.0/19 | 8.2K |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 204.58.32.0/20 | 4.1K |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 204.58.48.0/21 | 2.0K |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 204.58.56.0/22 | 1.0K |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 198.203.238.0/23 | 512 |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 198.203.240.0/23 | 512 |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 204.58.60.0/23 | 512 |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 198.99.169.0/24 | 256 |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
| 198.203.237.0/24 | 256 |
0.0%
|
Commonwealth of Massachusetts | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS6527 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 |
|---|---|---|
| 198.99.169.0/24 | 21,044 | 2026-11-14 22:22:00 |
| 146.243.0.0/16 | 20,955 | 2026-11-14 22:22:00 |
| 204.58.48.0/21 | 20,895 | 2026-11-14 22:22:00 |
| 204.130.64.0/18 | 20,830 | 2026-11-14 22:22:00 |
| 204.88.96.0/19 | 20,792 | 2026-11-14 22:22:00 |
| 204.58.60.0/23 | 20,783 | 2026-11-14 22:22:00 |
| 198.203.238.0/23 | 20,772 | 2026-11-14 22:22:00 |
| 204.58.56.0/22 | 20,740 | 2026-11-14 22:22:00 |
| 204.58.32.0/20 | 20,736 | 2026-11-14 22:22:00 |
| 198.203.240.0/23 | 20,728 | 2026-11-14 22:22:00 |
| 198.203.237.0/24 | 20,722 | 2026-11-14 22:22:00 |
| 170.63.0.0/16 | 20,527 | 2026-11-14 22:22:00 |
| 170.154.0.0/16 | 20,501 | 2026-11-14 22:22:00 |
Frequently Asked Questions
What is AS6527?
AS6527 is an Autonomous System Number assigned to Commonwealth of Massachusetts. 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 AS6527 announce?
AS6527 announces 230.4K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.
Who operates AS6527?
AS6527 is operated by Commonwealth of Massachusetts. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS6527 registered in?
AS6527 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
