2001:da8:5000::/42 CERNET2 IX at Zhengzhou University
Announced by AS24360 CERNET2 IX at Zhengzhou University. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 2001:da8:5000::/42
Prefix
Origin
AS24360 CNGI-ZHZ-IX-AS-AP
RPKI
RPKI valid
Size
4,194,304 /64s
Less specific
More specifics
60
IRR route objects
0 exact, 9 covering
In RouteViews
2026-10-12 04:07 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS24360 to originate 2001:da8:5000::/42 up to /42. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2001:da8:5000::/42 | /42 | AS24360 CNGI-ZHZ-IX-AS-AP | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 2001:da8:5000::/40 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:5000::/39 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:5000::/38 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:5000::/37 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:5000::/36 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:4000::/35 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8:4000::/34 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8::/33 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:da8::/32 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 2001:da8:5000::/42
60 announced prefixes fall inside this one.
Show the 60 prefixes
2001:da8:5000::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5001::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5003::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5004::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5005::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5006::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5008::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5009::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500a::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500b::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500c::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500d::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500e::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:500f::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5010::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5011::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5012::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5013::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5015::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5016::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5017::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5018::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5019::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:501a::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:501b::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:501c::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:501d::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:501e::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5020::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5021::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5022::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5023::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5024::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5025::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5026::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5027::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5028::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5029::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502a::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502b::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502c::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502d::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502e::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:502f::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5030::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5031::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5032::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5033::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5034::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5035::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5036::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5037::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5038::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:5039::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503a::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503b::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503c::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503d::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503e::/48 AS24360 CNGI-ZHZ-IX-AS-AP2001:da8:503f::/48 AS24360 CNGI-ZHZ-IX-AS-AP