- Registered on
- 9 Apr 1987 (38 years old)
- Registered to
- ARIN-NORTHW-9-... (arin)
- Network status
- Active, Allocated under ARIN
- Network type
- Eyeball
- Prefixes Originated
- 28 IPv4, 1 IPv6
Upstreams
Locations of Operation
| Prefix | Description | |
|---|---|---|
|
|
8.28.178.0/23 | Northwestern University |
|
|
8.30.248.0/22 | Level 3 Parent, LLC |
|
|
38.124.97.0/24 | Northwestern University |
|
|
129.105.0.0/16 | Northwestern University |
|
|
165.124.0.0/17 | Northwestern University |
|
|
165.124.17.0/24 | Northwestern University |
|
|
165.124.128.0/19 | Northwestern University |
|
|
165.124.149.0/24 | Northwestern University |
|
|
165.124.160.0/20 | Northwestern University |
|
|
165.124.176.0/21 | Northwestern University |
|
|
165.124.184.0/23 | Northwestern University |
|
|
165.124.186.0/24 | Northwestern University |
|
|
165.124.192.0/19 | Northwestern University |
|
|
165.124.224.0/21 | Northwestern University |
|
|
165.124.232.0/22 | Northwestern University |
|
|
165.124.240.0/20 | Northwestern University |
|
|
192.5.143.0/24 | Northwestern University |
|
|
192.26.85.0/24 | Northwestern University |
|
|
192.26.86.0/23 | |
|
|
192.31.253.0/24 | Northwestern University |
|
|
199.74.64.0/18 | Northwestern University |
|
|
199.249.165.0/24 | Northwestern University |
|
|
199.249.166.0/24 | Northwestern University |
|
|
199.249.166.0/23 | Northwestern University |
|
|
199.249.167.0/24 | Northwestern University |
|
|
199.249.168.0/23 | Northwestern University |
|
|
199.249.168.0/24 | Northwestern University |
|
|
199.249.169.0/24 | Northwestern University |
|
|
2620:10d:2000::/41 | Northwestern University |
Network Policy
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Chart Display Options
Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS396450 | Internet2 | ✔ | ✘ | |
| AS2381 | WiscNet | ✔ | ✔ | |
| AS3356 | Lumen (Level 3) | ✔ | ✔ | |
| AS174 | Cogent Communications, LLC | ✔ | ✘ | |
| AS33491 | Comcast Cable Communications, LLC | ✔ | ✘ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS2381 | WiscNet | ✔ | ✔ | |
| AS396450 | Internet2 | ✔ | ✘ | |
| AS3356 | Lumen (Level 3) | ✔ | ✔ | |
| AS174 | Cogent Communications, LLC | ✔ | ✘ | |
| AS33491 | Comcast Cable Communications, LLC | ✔ | ✘ | |
| AS22335 | Metropolitan Research and Education Network | ✔ | ✔ | |
| AS11164 | Internet2 I2PX | ✔ | ✘ | |
| AS293 | ESnet | ✔ | ✘ |
ASHandle: AS103 OrgID: NORTHW-9-Z ASName: NWU-AS ASNumber: 103 RegDate: 1987-04-09 Updated: 2012-04-02 TechHandle: NUNA-ARIN AbuseHandle: NUNS-ARIN NOCHandle: NUN-ARIN Source: ARIN OrgID: NORTHW-9-Z OrgName: Northwestern University CanAllocate: Street: Leverone Hall #G-166 Street: 2001 Sheridan Rd City: Evanston State/Prov: IL Country: US PostalCode: 60208 RegDate: 2010-01-08 Updated: 2012-05-11 OrgAdminHandle: NTN7-ARIN OrgTechHandle: NUNA-ARIN OrgAbuseHandle: NUNS-ARIN Source: ARIN OrgAdminHandle: NTN7-ARIN OrgAdminName: NUIT TNS # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: NUNA-ARIN OrgTechName: Northwestern University Network Administration # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: NUNS-ARIN OrgAbuseName: Northwestern University Network Security # Email removed, Log into bgp.tools to see whois emails TechHandle: NUNA-ARIN TechName: Northwestern University Network Administration # Email removed, Log into bgp.tools to see whois emails AbuseHandle: NUNS-ARIN AbuseName: Northwestern University Network Security # Email removed, Log into bgp.tools to see whois emails NOCHandle: NUN-ARIN NOCName: Northwestern University NOC # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-02-13T03:24:38Z UTC
Member of the following AS-SETs
| - | Member |
|---|---|
| LEVEL3 | as-sprint-origins |
| RADB | as22335:as-customers |
| LEVEL3 | as-level3-origins-na |
| RADB | as-startapca |
| RADB | as-summit |
| RADB | as-startapeu |
| RADB | as-startapap |
| RADB | as-startapru |
| RADB | as6325:as-icn-university |
| RADB | as-hurricanev6 |
| RIPE | as-gblx |
| RADB | as-wiscnet-cdn |
| RADB | as-startapme |
| RADB | as-startapcn |
| RADB | as103:as-all |
| RADB | as-icn-customers |
| RADB | as6325:as-icn-highered |
| RADB | as-hurricane |
| RADB | as-startapla |
| RADB | as-comcast-edia |
| RADB | as3676:as-uiowa-peers-announce-cust |
| RADB | as198949:as-sd |
| ARIN | as-zenedge |
| RADB | as-wiscnet-wrips |
| RIPE | as-transroute-spec |
| LEVEL3 | as-lumen-customers-asns |
| RADB | as23314:as-all |