AS1640 Thacker-Grigsby Communications 🇺🇸 US

Announcing 18 prefixes, seen at the RIS collectors.

IPv4 prefixes
18
33,536 (131 × /24)
IPv6 prefixes
0
-
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS1640
Name
Thacker-Grigsby Communications
Organisation
Thacker-Grigsby Communications
Country
🇺🇸 US
RIR
ARIN
Allocated
2009-08-14
Network type
NSP
Traffic levels
20-50Gbps
Scope
North America
Peering policy
Open
PeeringDB
net/22617
Exchanges
2
Facilities
2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

18 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announced prefixes

18 in total

Prefix RPKI Peers Sample path First seen
68.64.112.0/20 v4 RPKI valid 48 70181640 2026-09-18
68.64.120.0/22 v4 RPKI valid 48 69391640 2026-09-18
68.64.124.0/24 v4 RPKI valid 48 69391640 2026-09-18
69.57.96.0/20 v4 RPKI valid 48 70181640 2026-09-18
69.57.96.0/21 v4 RPKI valid 48 69391640 2026-09-18
69.57.104.0/21 v4 RPKI valid 48 69391640 2026-09-18
76.72.192.0/20 v4 RPKI valid 48 70181640 2026-09-18
76.72.194.0/24 v4 RPKI valid 48 69391640 2026-09-18
76.72.195.0/24 v4 RPKI valid 48 69391640 2026-09-18
76.72.196.0/24 v4 RPKI valid 48 69391640 2026-09-18
76.72.197.0/24 v4 RPKI valid 48 69391640 2026-09-18
76.72.198.0/23 v4 RPKI valid 48 69391640 2026-09-18
76.72.200.0/22 v4 RPKI valid 48 69391640 2026-09-18
76.72.204.0/22 v4 RPKI valid 48 69391640 2026-09-18
199.59.84.0/22 v4 RPKI valid 48 70181640 2026-09-18
199.116.152.0/21 v4 RPKI valid 48 70181640 2026-09-18
199.192.120.0/22 v4 RPKI valid 48 70181640 2026-09-18
208.56.128.0/19 v4 RPKI valid 48 70181640 2026-09-18