$ query “AS23088” --type=asn → 1 result(s)

AS23088 · TBG

The Blackstone Group

AS23088 is owned by The Blackstone Group and is an enterprise stub network, registered in the United States since 2004. The system announces 1 536 IPv4 addresses. Most of its address space is geolocated to the United States. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇺🇸 United States
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 01, 2004
Last Changed
May 10, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
5 / 3
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
1 536
Largest IPv4 Prefix
/22 (1 024 addresses)
Geolocated Countries
🇺🇸 United States (1 280 IPs)
Prefix Changed
June 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Degree
6 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (6)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS46887 — LIGHTOWER
  • AS6079 — RCN-AS

Prefix Lists

IPv4 Prefixes (5 total)

  • 148.66.32.0/22 (1 024 addresses (/22 prefix))
  • 193.128.175.0/24 (256 addresses (/24 prefix))
  • 208.242.192.0/24 (256 addresses (/24 prefix))