Home ASN LookupAS21777

AS21777 MASSIVE-NETWORKS-21777 - Massive Networks, Inc.

🇺🇸

ARINassignedASPA Published

Announced Prefixes (BGP)

70total

63 IPv47 IPv6

IPv4 Addresses

Allocated (RIR)26,112

Announced (BGP)32,256

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)8.1×10²⁸

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2011-01-21

Routing hygiene

Score 7/100 · Low risk

RPKI ROA coverage

91.4%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 57/100

9% of announced prefixes (6 of 70) have no valid ROA

Based on 70 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained

Announced Prefixes

(BGP)70

Prefix	RPKI	IRR	Last Seen
64.92.96.0/19	No ROA	Other IRR	-
65.101.207.0/24	No ROA	Other IRR	-
72.18.208.0/24	Valid	ARINOther IRR	-
72.18.210.0/24	Valid	ARINOther IRR	-
72.18.212.0/23	Valid	ARINOther IRR	-
72.18.217.0/24	Valid	ARINOther IRR	-
72.18.218.0/23	Valid	ARINOther IRR	-
72.18.220.0/24	Valid	ARINOther IRR	-
72.18.223.0/24	Valid	ARINOther IRR	-
192.124.0.0/24	No ROA	Other IRR	-

1-10 of 70

1 / 7

Allocated Prefixes

(RIR)44

Prefix	Country	RIR	Status
64.92.96.0/19	🇺🇸 US	ARIN	allocated
192.124.0.0/24	🇺🇸 US	ARIN	allocated
192.188.61.0/24	🇺🇸 US	ARIN	allocated
199.45.152.0/24	🇺🇸 US	ARIN	allocated
199.45.166.0/24	🇺🇸 US	ARIN	allocated
199.45.236.0/22	🇺🇸 US	ARIN	allocated
199.45.240.0/24	🇺🇸 US	ARIN	allocated
199.127.200.0/22	🇺🇸 US	ARIN	allocated
199.165.233.0/24	🇺🇸 US	ARIN	allocated
204.80.248.0/24	🇺🇸 US	ARIN	allocated

1-10 of 44

1 / 5

All 70 announced prefixes of AS21777 →

Upstream Providers(4)

ASN	Name
AS1299	🇸🇪TWELVE99 Arelion Sweden AB
AS2914	🇺🇸NTT-DATA-2914 - NTT America, Inc.
AS3257	🇺🇸GTT-BACKBONE GTT Communications Inc.
AS6939	🇺🇸HURRICANE - Hurricane Electric LLC

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS21777 hands its own prefixes to: transit providers, or peers at an exchange.

AS1299TWELVE99 Arelion Sweden AB37
AS3257GTT BACKBONE GTT Communications28
AS6939Hurricane Electric4
AS2914NTT America1

Downstreams (3)

Networks whose own prefixes AS21777 passes on: usually its customers.

AS39938River Canyon Wireless20
AS399726XtreamInternet5
AS25779-2

Transfer History

Registry transfers of AS21777 between organisations.

AS21777M&A · 2026-02-25
Massive Networks
🇺🇸 US ARIN
→
Massive Networks, Inc.
🇺🇸 US ARIN
AS21777M&A · 2018-04-11
Massive Networks
🇺🇸 US ARIN
→
Rockynet.com, Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-02-25	AS21777	Massive Networks 🇺🇸 US ARIN	Massive Networks, Inc. 🇺🇸 US ARIN	M&A
2018-04-11	AS21777	Massive Networks 🇺🇸 US ARIN	Rockynet.com, Inc 🇺🇸 US ARIN	M&A

ASPA

Published4 upstreams, 0 downstreams

Authorized Upstream Providers

AS1299 AS2914 AS3257 AS6939

Expires 2026-10-28

View full ASPA details →

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/21777

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/21777" | jq