AS156
Northeastern University
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 →
About Northeastern University
Northeastern University is a private research university with its main campus in Boston, Massachusetts, United States. It was founded by the Boston Young Men's Christian Association in 1898 as an all-male institute before being incorporated as Northeastern College in 1916, gaining university status in 1922.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 129.10.0.0/16 | 65.5K |
6.7%
|
Northeastern University | US | Massachusetts | Boston |
| 155.33.128.0/17 | 32.8K |
4.0%
|
Northeastern University | US | Massachusetts | Boston |
| 155.33.64.0/18 | 16.4K |
0.2%
|
Northeastern University | US | Massachusetts | Uxbridge |
| 155.33.32.0/19 | 8.2K |
5.0%
|
Northeastern University | US | New Jersey | East Hanover |
| 155.33.16.0/20 | 4.1K |
17.4%
|
Northeastern University | US | New Jersey | East Hanover |
| 155.33.0.0/21 | 2.0K |
0.5%
|
Northeastern University | US | New Jersey | East Hanover |
| 155.33.12.0/22 | 1.0K |
0.0%
|
Northeastern University | US | New Jersey | East Hanover |
| 155.33.10.0/23 | 512 |
0.8%
|
Northeastern University | US | New Jersey | East Hanover |
| 204.167.52.0/24 | 256 |
1.2%
|
Northeastern University | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS156 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 |
|---|---|---|
| 155.33.32.0/20 | 7,839 | 2026-07-23 19:37:51 |
| 155.33.0.0/19 | 7,821 | 2026-07-23 19:37:51 |
| 204.167.52.0/24 | 7,206 | 2026-07-23 19:37:51 |
| 155.33.0.0/16 | 7,008 | 2026-07-23 19:37:51 |
| 129.10.0.0/16 | 3,207 | 2026-07-23 18:56:14 |
| 129.10.8.0/21 | 2,339 | 2026-07-23 18:57:05 |
| 129.10.16.0/22 | 2,143 | 2026-07-23 18:57:05 |
| 129.10.32.0/19 | 1,754 | 2026-07-23 18:57:05 |
| 129.10.64.0/18 | 1,474 | 2026-07-23 18:57:05 |
| 129.10.0.0/22 | 1,338 | 2026-07-23 18:57:05 |
| 155.33.0.0/17 | 1,299 | 2026-07-23 18:57:05 |
| 129.10.128.0/17 | 1,296 | 2026-07-23 18:57:05 |
| 129.10.24.0/21 | 1,288 | 2026-07-23 18:57:05 |
| 155.33.128.0/17 | 1,286 | 2026-07-23 18:57:05 |
Frequently Asked Questions
What is AS156?
AS156 is an Autonomous System Number assigned to Northeastern University. 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 AS156 announce?
AS156 announces 130.8K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.
Who operates AS156?
AS156 is operated by Northeastern University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS156 registered in?
AS156 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
