AS21547
FirstLight Networks, LLC
Scanned 2 days ago
🔄 Rescan

📋 Summary

IP address summary information
NameFirstLight Networks, LLC
CountryUS
Websitehttps://www.firstlight.net
IPv4 addresses92K
IPv6 addresses~2^83
ASN typeTransit
RegistryARIN
AllocatedMay 21, 2001
UpdatedApr 22, 2026

🗺️ Geolocation

Buckfield, US

Countries by IPv4 share

US
100%

Geolocation based on WHOIS registration data.

📊 IP Ranges

IPv4: 57 | IPv6: 5
NetblockIP Count
72.12.94.0/23 512
69.49.128.0/19 8.2K
64.140.246.0/24 256
66.231.208.0/24 256
63.127.192.0/21 2.0K
72.12.75.0/24 256
2001:4940:2007::/48 0
72.55.248.0/23 512
66.231.219.0/24 256
2001:4940:2006::/48 0
66.186.188.0/24 256
66.186.160.0/19 8.2K
72.55.254.0/23 512
66.231.220.0/22 1.0K
208.0.176.0/21 2.0K
66.231.217.0/24 256
2604:3f00::/32 0
66.231.192.0/24 256
66.231.215.0/24 256
66.186.184.0/24 256
66.186.173.0/24 256
74.220.224.0/20 4.1K
64.140.192.0/18 16K
74.220.236.0/24 256
66.186.171.0/24 256
66.186.176.0/24 256
72.12.64.0/19 8.2K
66.186.162.0/24 256
69.49.133.0/24 256
72.12.78.0/24 256
72.55.224.0/19 8.2K
66.186.163.0/24 256
72.12.79.0/24 256
64.140.224.0/19 8.2K
72.12.80.0/24 256
72.12.84.0/24 256
140.165.50.0/24 256
69.168.0.0/20 4.1K
69.49.146.0/24 256
198.212.226.0/23 512
66.231.207.0/24 256
198.212.230.0/24 256
64.140.224.0/24 256
72.12.92.0/24 256
2001:4940::/32 0
64.140.225.0/24 256
198.212.225.0/24 256
72.12.87.0/24 256
69.49.128.0/24 256
66.231.214.0/24 256
2001:4940:2001::/48 0
72.55.247.0/24 256
72.12.76.0/23 512
69.49.129.0/24 256
66.231.192.0/19 8.2K
72.12.91.0/24 256
69.49.140.0/23 512
69.49.148.0/24 256
69.49.144.0/24 256
64.140.234.0/24 256
69.49.153.0/24 256
64.140.199.0/24 256

Prefix data from RIPE Stat / RIR allocation records.

📄 WHOIS

ARIN
HandleAS21547
NameFLASN-21547
OrganizationFirstLight Networks, LLC
Websitehttps://www.firstlight.net
Statusactive
AllocatedMay 21, 2001
UpdatedApr 22, 2026

Contacts

RegistrantFirstLight Networks, LLC
Address12 Metro Park Road Albany NY 12205 United States

Source: ARIN

🔗 Peers

0 peers for this ASN

No peers found.

⬆️ Upstreams

1 upstream
ASNName
AS13536 FirstLight Fiber, Inc.

Upstream data from RIPE Stat routing history.

⬇️ Downstreams

5 downstreams
ASNNameCountry
AS36501 GARMIN INTERNATIONAL INC. -
AS36787 Hearst-Argyle Television, Inc. -
AS36823 Martin's Point HealthCare -
AS393830 Maine Municipal Association -
AS395342 Exeter Hospital -

🔒 RPKI / ROA

Source: rpki.zorn.ltd
PrefixOrigin ASNMax LengthValidity
72.12.94.0/23 AS21547 /24 ✓ Valid
69.49.128.0/19 AS21547 /19 Not Found
64.140.246.0/24 AS21547 /24 ✓ Valid
66.231.208.0/24 AS21547 /24 Not Found
63.127.192.0/21 AS21547 /21 Not Found
72.12.75.0/24 AS21547 /24 ✓ Valid
72.55.248.0/23 AS21547 /23 Not Found
66.231.219.0/24 AS21547 /24 Not Found
66.186.188.0/24 AS21547 /24 ✓ Valid
66.186.160.0/19 AS21547 /24 ✓ Valid
72.55.254.0/23 AS21547 /23 Not Found
66.231.220.0/22 AS21547 /22 Not Found
208.0.176.0/21 AS21547 /21 ✗ Invalid
66.231.217.0/24 AS21547 /24 Not Found
66.231.192.0/24 AS21547 /24 Not Found
66.231.215.0/24 AS21547 /24 Not Found
66.186.184.0/24 AS21547 /24 ✓ Valid
66.186.173.0/24 AS21547 /24 ✓ Valid
74.220.224.0/20 AS21547 /20 Not Found
64.140.192.0/18 AS21547 /24 ✓ Valid
74.220.236.0/24 AS21547 /24 Not Found
66.186.171.0/24 AS21547 /24 ✓ Valid
66.186.176.0/24 AS21547 /24 ✓ Valid
72.12.64.0/19 AS21547 /24 ✓ Valid
66.186.162.0/24 AS21547 /24 ✓ Valid
69.49.133.0/24 AS21547 /24 Not Found
72.12.78.0/24 AS21547 /24 ✓ Valid
72.55.224.0/19 AS21547 /19 Not Found
66.186.163.0/24 AS21547 /24 ✓ Valid
72.12.79.0/24 AS21547 /24 ✓ Valid
64.140.224.0/19 AS21547 /24 ✓ Valid
72.12.80.0/24 AS21547 /24 ✓ Valid
72.12.84.0/24 AS21547 /24 ✓ Valid
140.165.50.0/24 AS21547 /24 Not Found
69.168.0.0/20 AS21547 /20 Not Found
69.49.146.0/24 AS21547 /24 Not Found
198.212.226.0/23 AS21547 /23 Not Found
66.231.207.0/24 AS21547 /24 Not Found
198.212.230.0/24 AS21547 /24 Not Found
64.140.224.0/24 AS21547 /24 ✓ Valid
72.12.92.0/24 AS21547 /24 ✓ Valid
64.140.225.0/24 AS21547 /24 ✓ Valid
198.212.225.0/24 AS21547 /24 Not Found
72.12.87.0/24 AS21547 /24 ✓ Valid
69.49.128.0/24 AS21547 /24 Not Found
66.231.214.0/24 AS21547 /24 Not Found
72.55.247.0/24 AS21547 /24 Not Found
72.12.76.0/23 AS21547 /24 ✓ Valid
69.49.129.0/24 AS21547 /24 Not Found
66.231.192.0/19 AS21547 /19 Not Found
72.12.91.0/24 AS21547 /24 ✓ Valid
69.49.140.0/23 AS21547 /23 Not Found
69.49.148.0/24 AS21547 /24 Not Found
69.49.144.0/24 AS21547 /24 Not Found
64.140.234.0/24 AS21547 /24 ✓ Valid
69.49.153.0/24 AS21547 /24 Not Found
64.140.199.0/24 AS21547 /24 ✓ Valid

RPKI validation powered by rpki.zorn.ltd (Routinator).

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