AS21777
Massive Networks, Inc.
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: Equinix Dallas, Any2Denver, Any2East, MegaIX Denver
Web3 footprint
AS21777 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
AS21777 — global IP footprint
Cities where AS21777 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21777 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 |
|---|---|---|
| 64.92.96.0/19 | 8,789 | 2026-07-18 10:52:00 |
| 72.18.220.0/24 | 8,760 | 2026-07-18 10:52:00 |
| 72.18.208.0/24 | 8,750 | 2026-07-18 10:52:00 |
| 72.18.217.0/24 | 8,735 | 2026-07-18 10:52:00 |
| 72.18.218.0/23 | 8,730 | 2026-07-18 10:52:00 |
| 72.18.210.0/24 | 8,724 | 2026-07-18 10:52:00 |
| 72.18.223.0/24 | 8,722 | 2026-07-18 10:52:00 |
| 72.18.212.0/23 | 8,719 | 2026-07-18 10:52:00 |
| 192.188.61.0/24 | 8,707 | 2026-07-18 10:52:24 |
| 199.127.200.0/22 | 8,670 | 2026-07-18 10:52:24 |
| 207.174.140.0/22 | 8,655 | 2026-07-18 10:52:24 |
| 65.101.207.0/24 | 8,652 | 2026-07-18 10:52:00 |
| 199.165.233.0/24 | 8,627 | 2026-07-18 10:52:24 |
| 207.174.114.0/24 | 8,627 | 2026-07-18 10:52:24 |
| 207.174.157.0/24 | 8,626 | 2026-07-18 10:52:24 |
| 199.45.236.0/22 | 8,613 | 2026-07-18 10:52:24 |
| 207.174.113.0/24 | 8,605 | 2026-07-18 10:52:24 |
| 207.174.98.0/24 | 8,595 | 2026-07-18 10:52:24 |
| 207.174.76.0/24 | 8,581 | 2026-07-18 10:52:24 |
| 204.144.128.0/22 | 8,570 | 2026-07-18 10:52:24 |
| 207.174.72.0/23 | 8,553 | 2026-07-18 10:52:24 |
| 207.174.77.0/24 | 8,547 | 2026-07-18 10:52:24 |
| 192.124.0.0/24 | 8,546 | 2026-07-18 10:52:24 |
| 206.168.172.0/24 | 8,546 | 2026-07-18 10:52:24 |
| 206.168.153.0/24 | 8,543 | 2026-07-18 10:52:24 |
| 204.144.181.0/24 | 8,541 | 2026-07-18 10:52:24 |
| 199.45.240.0/24 | 8,540 | 2026-07-18 10:52:24 |
| 206.168.224.0/21 | 8,538 | 2026-07-18 10:52:24 |
| 206.168.220.0/24 | 8,537 | 2026-07-18 10:52:24 |
| 206.168.13.0/24 | 8,535 | 2026-07-18 10:52:24 |
| 207.174.8.0/24 | 8,532 | 2026-07-18 10:52:24 |
| 207.174.201.0/24 | 8,531 | 2026-07-18 10:52:24 |
| 206.168.189.0/24 | 8,529 | 2026-07-18 10:52:24 |
| 206.168.0.0/24 | 8,527 | 2026-07-18 10:52:24 |
| 204.144.140.0/23 | 8,526 | 2026-07-18 10:52:24 |
| 206.168.216.0/22 | 8,525 | 2026-07-18 10:52:24 |
| 207.174.137.0/24 | 8,522 | 2026-07-18 10:52:24 |
| 207.174.175.0/24 | 8,516 | 2026-07-18 10:52:24 |
| 206.168.117.0/24 | 8,509 | 2026-07-18 10:52:24 |
| 206.168.96.0/24 | 8,508 | 2026-07-18 10:52:24 |
| 204.144.184.0/24 | 8,506 | 2026-07-18 10:52:24 |
| 204.144.132.0/23 | 8,504 | 2026-07-18 10:52:24 |
| 207.174.138.0/23 | 8,500 | 2026-07-18 10:52:24 |
| 206.168.188.0/24 | 8,492 | 2026-07-18 10:52:24 |
| 206.168.114.0/24 | 8,490 | 2026-07-18 10:52:24 |
| 204.144.134.0/24 | 8,486 | 2026-07-18 10:52:24 |
| 206.168.222.0/23 | 8,476 | 2026-07-18 10:52:24 |
| 199.45.255.0/24 | 8,473 | 2026-07-18 10:52:24 |
| 206.168.187.0/24 | 8,472 | 2026-07-18 10:52:24 |
| 206.168.39.0/24 | 8,465 | 2026-07-18 10:52:24 |
Showing top 50 of 63 announced prefixes by sample volume.
Frequently Asked Questions
What is AS21777?
AS21777 is an Autonomous System Number assigned to Massive Networks, Inc.. 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 AS21777 announce?
AS21777 announces 32.3K IPv4 addresses distributed across 61 routed CIDR prefixes. The network is registered in United States.
Who operates AS21777?
AS21777 is operated by Massive Networks, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS21777 registered in?
AS21777 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
