64.90.0.0/20

Currently announced by AS979 NETLAB-SDN, in the routed prefix 64.90.0.0/20.

Current ASN: AS979; NETLAB-SDN
Routed prefix: 64.90.0.0/20; Most specific route covering this prefix
ASNs over time: 1; 1 announcement record
RIR allocation: RIPENCC; Hong Kong SAR China · 64.90.0.0/19

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 64.90.0.0/20

Prefix	ASN	Name	Registered country	First seen (UTC)	Last seen (UTC)	Status
64.90.0.0/20	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing

More specific routes34 total

Prefix	ASN	Name	Registered country	First seen (UTC)	Last seen (UTC)	Status
64.90.0.0/21	AS1014	Japan Networks	United States	2026-11-04 14:25	2026-11-08 10:26	Announcing
64.90.0.0/21	AS979	NETLAB-SDN	United States	2026-11-04 14:25	2026-11-08 10:26	Announcing
64.90.0.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.1.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.2.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.3.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.4.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.5.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.6.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.7.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.8.0/21	AS979	NETLAB-SDN	United States	2026-11-04 14:25	2026-11-08 10:26	Announcing
64.90.8.0/21	AS1014	Japan Networks	United States	2026-11-04 14:25	2026-11-08 10:26	Announcing
64.90.8.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.9.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.10.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.11.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.12.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.13.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.14.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.15.0/24	AS979	NETLAB-SDN	United States	Before monitoring	2026-11-08 10:26	Announcing
64.90.1.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.2.0/24	AS1014	Japan Networks	United States	2026-10-22 06:20	2026-10-22 08:21	Stopped
64.90.3.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.5.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.6.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.7.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.8.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.9.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.10.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.11.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.12.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.13.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.14.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped
64.90.15.0/24	AS1014	Japan Networks	United States	Before monitoring	2026-11-04 12:25	Stopped

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.

Look up another address

RIR allocation record

Registry: RIPENCC
Allocated block: 64.90.0.0/19
Country: Hong Kong SAR China
Allocation date: 2000-05-12
Status: allocated

From the RIRs’ delegated statistics files. Shows where the addresses are registered, not where they are used.

How monitoring works

Every 2 hours ASNBase takes the bgp.tools global routing table (prefix → origin ASN) and compares it with the previous one. The detected time is the time of that comparison; the actual change can be up to about 2 hours earlier.
Only routes seen by more than 100 bgp.tools peers are listed as changes; routes with less visibility are only kept in the history.
A new announcement counts only if it is still in the next routing table, and a withdrawal only if the prefix is missing from two tables in a row, so short flaps are ignored.
ASNBase has been monitoring since 2026-10-19. “Before monitoring” under “First seen” means the route was already announced when monitoring started; the earlier date is unknown.
Prefixes first seen during the first day of monitoring do not count as new announcements: most of them were simply missing from the table at the moment monitoring started.
Countries and regions follow the ASN’s registration, not the actual location of the IP addresses.