27.46.0.0/17

Currently announced by AS17623 China Unicom Shenzen network, in the routed prefix 27.46.0.0/17.

Current ASN: AS17623; China Unicom Shenzen network
Routed prefix: 27.46.0.0/17; Most specific route covering this prefix
ASNs over time: 2; 2 announcement records
RIR allocation: APNIC; China · 27.40.0.0/13

Routing data · Oct 23, 2026, 06:22 UTC

ASN historyEvery routed prefix covering 27.46.0.0/17

Prefix	ASN	Name	Registered country	First seen (UTC)	Last seen (UTC)	Status
27.46.0.0/17	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.40.0.0/13	AS17816	CHINA169-GZ	China	Before monitoring	2026-10-23 06:22	Announcing

More specific routes77 total

Prefix	ASN	Name	Registered country	First seen (UTC)	Last seen (UTC)	Status
27.46.4.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.5.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.6.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.7.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.8.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.9.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.10.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.11.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.54.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.55.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.56.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.57.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.58.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.59.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.60.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.61.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.62.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.63.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.64.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.65.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.66.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.67.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.68.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.69.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.70.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.71.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.72.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.73.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.74.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.75.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.76.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.77.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.78.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.79.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.80.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.81.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.82.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.83.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.84.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.85.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.86.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.87.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.88.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.89.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.90.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.91.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.92.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.93.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.94.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.95.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.96.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.97.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.98.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.99.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.100.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.101.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.103.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.104.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.105.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.106.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.107.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.108.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.110.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.111.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.112.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.113.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.114.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.115.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.117.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.118.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.119.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.120.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.122.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.123.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.124.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.125.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing
27.46.126.0/24	AS17623	China Unicom Shenzen network	China	Before monitoring	2026-10-23 06:22	Announcing

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: APNIC
Allocated block: 27.40.0.0/13
Country: China
Allocation date: 2010-03-23
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.