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AS33741
DENNIS-GROUP - Dennis Group Announcing routesAS nameDENNIS-GROUP
OrganisationDennis Group
Registry (RIR)ARIN
HandleAS33741
RangeAS33741
Registered26 Jul 2024
Last changed26 Jul 2024
Abuse contact[email protected]
6IPv4 prefixes
3IPv6 prefixes
5Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS812 | ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc. | 409 |
| AS7725 | COMCAST-7725 - Comcast Cable Communications, LLC | 304 |
| AS7015 | COMCAST-7015 - Comcast Cable Communications, LLC | 229 |
| AS33660 | CMCS - Comcast Cable Communications, LLC | 224 |
| AS577 | BACOM - Bell Canada | 155 |
Downstreams
None seen.
IPv4 prefixes (6)
IPv6 prefixes (3)
RPKI-validate all prefixes of AS33741
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Dennis Group | DEGL-2 | 1537 Main Street, Springfield, MA, 01103, United States | |
| administrative, routing, technical, abuse, dns, noc | Dennis Group Information Technology Department | DGITD-ARIN | [email protected], +1-413-787-1785 | 1537 Main Street, Springfield, MA, 01103, United States |
Raw registry response
{
"endAutnum": 33741,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-02T09:38:35-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-12-19T07:33:35-05:00"
}
],
"handle": "DGITD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DGITD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/33741"
},
{
"href": "https://whois.arin.net/rest/poc/DGITD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/33741"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://www.dennisgroup.com",
"Standard NOC hours are 8:00 AM to 7:00 PM EST Mon-Fri, excluding holidays."
],
"title": "Registration Comments"
}
],
"roles": [
"administrative",
"routing",
"technical",
"abuse",
"dns",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1537 Main Street\nSpringfield\nMA\n01103\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Dennis Group Information Technology Department"
],
[
"org",
[],
"text",
"Dennis Group"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-413-787-1785"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-02-26T10:39:45-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-06-06T08:34:10-04:00"
}
],
"handle": "DEGL-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DEGL-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/33741"
},
{
"href": "https://whois.arin.net/rest/org/DEGL-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/33741"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://www.dennisgroup.com"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Dennis Group"
],
[
"adr",
{
"label": "1537 Main Street\nSpringfield\nMA\n01103\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-07-26T13:19:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-07-26T13:19:56-04:00"
}
],
"handle": "AS33741",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/33741",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/33741"
},
{
"href": "https://whois.arin.net/rest/asn/AS33741",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/33741"
}
],
"name": "DENNIS-GROUP",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/33741"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/33741"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"remarks": [
{
"description": [
"https://dennisgroup.com"
],
"title": "Registration Comments"
}
],
"startAutnum": 33741,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.