2001:dc7:ffff::/48

Overview
Connectivity
Whois
Validation

Registered on: 13 Sep 2004 (21 years old)

Registered to: A921175E (apnic)

Prefix status: Active, Allocated under APNIC

Size of prefix: 1 /48's

Less Specific Announcements

	Prefix	Description
	2001:dc7::/32	China Internet Network Information Center

Upstreams

AS4837 - China Unicom Backbone
AS21859 - Zenlayer Inc
AS33071 - ISC F-ROOT ORD1
AS56910 - Digital Realty Hellas Single Member S.A

Originators

	ASN	Description
	AS24409	China Internet Network Infomation Center
	AS24406	China Internet Network Infomation Center
	AS24151	China Internet Network Infomation Center

How can a prefix have multiple ASNs?

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Anycast Detected

How does bgp.tools detect anycast prefixes?

When bgp.tools scanned this prefix, we found that 2001:dc7:ffff::1 was anycasted.

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS4837	China Unicom Backbone
	AS21859	Zenlayer Inc
	AS33071	ISC F-ROOT ORD1
	AS56910	Digital Realty Hellas Single Member S.A

Peers

	ASN	Description
	AS9808	China Mobile Backbone
	AS9260	Multinet Pakistan Pvt. Ltd.
	AS58461	China Telecom Hangzhou IDC Network
	AS4837	China Unicom Backbone
	AS21859	Zenlayer Inc
	AS33071	ISC F-ROOT ORD1
	AS56910	Digital Realty Hellas Single Member S.A

Last Update: 2026-07-11T03:22:26Z UTC

IRR Databases

IRR	Expected ASN
nttcom	AS21859	Show Raw route6: 2001:dc7:ffff::/48 descr: Zenlayer Inc. origin: AS21859 mnt-by: MAINT-EQUINIXPAC changed: zang@ap.equinix.com 20210421 source: NTTCOM
radb	AS23686	Show Raw route6: 2001:dc7:ffff::/48 descr: Proxy route object registered by AS38195 origin: AS23686 remarks: This route object was created by Superloop on behalf of a customer. notify: peering@superloop.com mnt-by: MAINT-AS38195 changed: peering@superloop.com 20200217 source: RADB last-modified: 2023-11-13T16:18:14Z
apnic	AS24151	Show Raw route6: 2001:DC7:FFFF::/48 descr: China Internet Network Information Center country: CN origin: AS24151 mnt-by: MAINT-CNNIC-AP last-modified: 2011-10-19T01:26:01Z source: APNIC
radb	AS24151	Show Raw route6: 2001:dc7:ffff::/48 origin: AS24151 descr: ZL-IDC-HKG-CTG mnt-by: MAINT-AS21859 changed: ipadmin@zenlayer.com 20200219 #07:06:54Z source: RADB last-modified: 2023-11-13T15:59:45Z
apnic	AS24406	Show Raw route6: 2001:dc7:ffff::/48 descr: China Internet Network Information Center country: CN origin: AS24406 mnt-by: MAINT-CNNIC-AP last-modified: 2021-03-24T02:24:58Z source: APNIC
radb	AS24406	Show Raw route6: 2001:dc7:ffff::/48 origin: AS24406 descr: ZL-IDC-CTG mnt-by: MAINT-AS21859 changed: ipadmin@zenlayer.com 20211201 #10:05:33Z source: RADB last-modified: 2023-11-13T16:08:57Z
apnic	AS24409	Show Raw route6: 2001:dc7:ffff::/48 descr: China Internet Network Information Center country: CN origin: AS24409 mnt-by: MAINT-CNNIC-AP last-modified: 2021-03-24T02:27:07Z source: APNIC
radb	AS24409	Show Raw route6: 2001:dc7:ffff::/48 origin: AS24409 descr: ZL-IDC-MEL-CTG mnt-by: MAINT-AS21859 changed: ipadmin@zenlayer.com 20200213 #07:59:22Z source: RADB last-modified: 2023-11-13T15:59:44Z
radb	AS38283	Show Raw route6: 2001:dc7:ffff::/48 origin: AS38283 descr: SICHUANIDC province network mnt-by: MAINT-AS38283 changed: 18981970413@189.cn 20251212 # 09:30 GMT source: RADB last-modified: 2025-12-12T09:30:10Z
nttcom	AS4641	Show Raw route6: 2001:dc7:ffff::/48 descr: Proxy Object for AS2914 Downstream Peer origin: AS4641 remarks: contact ce-ipadmin@us.ntt.net to request removal mnt-by: MAINT-NTTCOM-RA changed: bfoust@us.ntt.net 20100614 source: NTTCOM

View

Less Specific Announcements

Upstreams

Originators

Anycast Detected

Upstreams

Peers

IRR Databases