| Prefix | Description | |
|---|---|---|
|
69.16.0.0/17 | UMASSNET |
|
69.16.12.0/23 | UMASSNET |
|
69.16.14.0/23 | UMASSNET |
|
69.16.16.0/24 | UMASSNET |
|
69.16.16.0/20 | UMASSNET |
|
69.16.17.0/24 | UMASSNET |
|
69.16.36.0/23 | UMASSNET |
|
69.16.38.0/23 | UMASSNET |
|
69.16.64.0/23 | UMASSNET |
|
69.16.68.0/23 | UMASSNET |
|
69.16.72.0/22 | UMASSNET |
|
69.16.72.0/23 | UMASSNET |
|
69.16.74.0/23 | UMASSNET |
|
69.16.76.0/22 | UMASSNET |
|
69.16.120.0/22 | UMASSNET |
|
69.16.122.0/23 | UMASSNET |
|
69.16.124.0/22 | UMASSNET |
|
134.241.0.0/16 | UMASSNET |
|
158.121.0.0/16 | University of Massachusetts at Boston |
|
192.195.196.0/24 | UMASSNET |
|
198.102.172.0/24 | UMASSNET |
|
198.102.211.0/24 | UMASSNET |
|
2001:48e8::/29 | UMASSNET |


| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS174 | Cogent Communications, LLC | ✔ | ✔ |
|
AS3257 | GTT Communications Inc. | ✔ | ✔ |
|
AS11164 | Internet2 I2PX | ✘ | ✔ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() |
AS174 | Cogent Communications, LLC | ✔ | ✔ |
![]() |
AS3257 | GTT Communications Inc. | ✔ | ✔ |
![]() |
AS1255 | Smith College | ✔ | ✘ |
![]() |
AS1249 | University of Massachusetts - AMHERST | ✔ | ✔ |
![]() |
AS8067 | Westfield State University | ✔ | ✘ |
![]() |
AS1929 | University of Massachusetts - AMHERST | ✔ | ✔ |
![]() |
AS396086 | Hampshire College | ✔ | ✘ |
![]() |
AS11164 | Internet2 I2PX | ✔ | ✔ |
![]() |
AS396128 | Mount Holyoke College | ✔ | ✘ |
![]() |
AS32559 | Amherst College | ✔ | ✘ |
![]() |
AS46905 | University of Massachusetts - Lowell | ✔ | ✘ |
![]() |
AS394003 | University of Massachusetts Dartmouth | ✔ | ✘ |
![]() |
AS11537 | Internet2 | ✔ | ✔ |
![]() |
AS1239 | Sprint Wireline (Cogent) | ✔ | ✔ |
![]() |
AS8928 | GTT Communications Inc. | ✔ | ✘ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS1255 | Smith College | ✔ | ✘ |
|
AS1249 | University of Massachusetts - AMHERST | ✔ | ✔ |
|
AS8067 | Westfield State University | ✔ | ✘ |
|
AS1929 | University of Massachusetts - AMHERST | ✔ | ✔ |
|
AS396086 | Hampshire College | ✔ | ✘ |
|
AS32559 | Amherst College | ✔ | ✘ |
|
AS46905 | University of Massachusetts - Lowell | ✔ | ✘ |
|
AS396128 | Mount Holyoke College | ✔ | ✘ |
|
AS394003 | University of Massachusetts Dartmouth | ✔ | ✘ |
ASHandle: AS1968 OrgID: UMAP ASName: ASNumber: 1968 RegDate: 1992-08-28 Updated: 2024-11-06 TechHandle: BLOND3-ARIN TechHandle: KOKOS-ARIN Source: ARIN OrgID: UMAP OrgName: UMASSNET CanAllocate: Street: Information Technology Services Street: 333 South Street, Suite 400 City: Shrewsbury State/Prov: MA Country: US PostalCode: 01545-4169 RegDate: 1989-08-10 Updated: 2025-02-19 OrgAdminHandle: BLOND3-ARIN OrgTechHandle: BLOND3-ARIN OrgTechHandle: KEITH185-ARIN OrgTechHandle: KOKOS-ARIN OrgTechHandle: MELIC6-ARIN OrgAbuseHandle: HOS634-ORG-ARIN OrgNOCHandle: HOS634-ORG-ARIN Source: ARIN OrgAdminHandle: BLOND3-ARIN OrgAdminName: Tim Blondin # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: BLOND3-ARIN OrgTechName: Tim Blondin # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: KEITH185-ARIN OrgTechName: Keith Boisseau # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: KOKOS-ARIN OrgTechName: Dave Kokoszyna # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: MELIC6-ARIN OrgTechName: Peter Melican # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: HOS634-ORG-ARIN OrgAbuseName: Hostmaster # Email removed, Log into bgp.tools to see whois emails OrgNOCHandle: HOS634-ORG-ARIN OrgNOCName: Hostmaster # Email removed, Log into bgp.tools to see whois emails TechHandle: BLOND3-ARIN TechName: Tim Blondin # Email removed, Log into bgp.tools to see whois emails TechHandle: KOKOS-ARIN TechName: Dave Kokoszyna # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-03-13T03:26:55Z UTC
| - | Member | ASN Count |
|---|---|---|
| RADB | as-prole | 1195 |
| RIPE | as-gttcust6 | 88898 |
| RADB | as198949:as-sd | 3458 |
| LEVEL3 | as-as209-cust | 1818 |
| RADB | as10578:as-umassnet | 9 |
| LEVEL3 | as-lumen-customers-asns | 10695 |
| RIPE | as-gttcust | 89456 |
| RADB | as174:as-cogc-009 | 12 |