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AS23749 HKCOLO ltd. Internet Service Provider

Hong Kong SAR China GLOBAL-TRANSIT-AS-HKCOLO-AP APNIC 19 IPv4 prefixes 3 IPv6 prefixes
IPv4 addresses
4,608
IPv6 /48 networks
65,536
RPKI
19 valid3 no ROA
Peers and downstreams
7

Holder

AS name
GLOBAL-TRANSIT-AS-HKCOLO-AP
Description
HKCOLO ltd. Internet Service Provider
Organisation
hkcolo limited
Abuse contact
Not published
Assigned
2003-05-20
Registered
2008-09-04
Record last changed
2021-01-10 22:10 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS6762 TELECOM ITALIA SPARKLE S.p.A. AS6762 · IT TELECOM ITALIA SPARKL… AS15802 Emirates Integrated Telecommunications Company PJSC AS15802 · AE Emirates Integrated T… AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC AS8966 · AE EMIRATES TELECOMMUNIC… AS9304 HGC Global Communications Limited AS9304 · HK HGC Global Communicat… AS174 AS174 AS174 AS174 AS9498 BHARTI Airtel Ltd. AS9498 · IN BHARTI Airtel Ltd. AS3491 PCCW Global (HK) Ltd. AS3491 · HK PCCW Global (HK) Ltd. AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS15412 Flag Telecom UK Limited AS15412 · GB Flag Telecom UK Limit… AS4635 Hong Kong Internet Exchange--Route Server 1 AS4635 · HK Hong Kong Internet Ex… AS703 Uunet AS703 · US Uunet AS23749 HKCOLO ltd. Internet Service Provider AS23749 · HK HKCOLO ltd. Internet …

Network health

Grade B · 82/100
partly Prefixes covered by valid ROAs
19 of 22 announced prefixes are RPKI valid, 3 have no ROA.		 22/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
3 IPv6 prefixes.		 15/15
pass More than one upstream
4 upstreams seen in BGP.		 10/10
pass Working abuse contact
ken.law@hkcolo.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2021-01-10.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 05:04 UTCRelationship changed AS9930 upstream to peer
2026-10-04 05:04 UTCRelationship changed AS8359 upstream to peer
2026-10-04 05:04 UTCRelationship changed AS41095 upstream to peer
2026-10-04 05:04 UTCRelationship changed AS39120 upstream to peer

WHOIS

aut-num:        AS23749
as-name:        GLOBAL-TRANSIT-AS-HKCOLO-AP
handle:         AS23749
remarks:        HKCOLO ltd. Internet Service Provider
abuse:          IRT-HKCOLO-HK (IRT-HKCOLO-HK) <ken.law@hkcolo.com>
registrant:     ORG-HL11-AP (hkcolo limited) <abuse@hkcolo.com>
technical,administrative:KL686-AP (Ken Law) <ken.law@hkcolo.com>
registration:   2008-09-04T06:40:35Z
last changed:   2021-01-10T22:10:15Z
source:         APNIC (RDAP)