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AS24348 CERNET2 IX at Tsinghua University

China CNGI-BJ-IX2-AS-AP APNIC 1 IPv4 prefix 37 IPv6 prefixes
IPv4 addresses
16,384
IPv6 /48 networks
196,637
RPKI
33 valid5 no ROA
Peers and downstreams
5

Holder

AS name
CNGI-BJ-IX2-AS-AP
Description
CERNET2 IX at Tsinghua University CERNET Center Beijing 100084, China
Organisation
CERNET2 IX at Tsinghua University
Abuse contact
Not published
Assigned
2005-03-02
Registered
2008-09-04
Record last changed
2020-09-03 09:16 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS6453 TATA COMMUNICATIONS (AMERICA) INC AS6453 · US TATA COMMUNICATIONS (… AS23911 China Next Generation Internet Beijing IX AS23911 · CN China Next Generation… AS4538 China Education and Research Network Center AS4538 · CN China Education and R… AS23910 China Next Generation Internet CERNET2 AS23910 · CN China Next Generation… AS24348 CERNET2 IX at Tsinghua University AS24348 · CN CERNET2 IX at Tsinghu…

Network health

Grade B · 82/100
partly Prefixes covered by valid ROAs
33 of 38 announced prefixes are RPKI valid, 5 have no ROA.		 22/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
37 IPv6 prefixes.		 15/15
pass More than one upstream
2 upstreams seen in BGP.		 10/10
pass Working abuse contact
abuse@cernet.edu.cn 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 2020-09-03.		 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
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS24348
as-name:        CNGI-BJ-IX2-AS-AP
handle:         AS24348
remarks:        CERNET2 IX at Tsinghua University
remarks:        CERNET Center
remarks:        Beijing 100084, China
remarks:        Multihome member of CERNET
technical,administrative:CER-AP (CERNET Helpdesk) <helpdesk@cernet.edu.cn>
abuse:          IRT-CERNET-AP (IRT-CERNET-AP) <abuse@cernet.edu.cn>
registration:   2008-09-04T06:40:37Z
last changed:   2020-09-03T09:16:29Z
source:         APNIC (RDAP)