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AS31477

DUOCAST-AS · 这是该 AS 号在区域互联网注册机构（RIR）登记的注册信息，数据来自 RDAP。

HandleAS31477
名称DUOCAST-AS
注册机构
MNT-DUOCAST
ASN 范围AS31477
注册时间2004-05-26 11:33 UTC
更新时间2026-09-25 10:23 UTC
状态active
管理联系人
Duocast role
[email protected]
Friesestraatweg 213d 9743 AD Groningen The Netherlands
技术联系人
Duocast role
[email protected]
Friesestraatweg 213d 9743 AD Groningen The Netherlands
滥用投诉
Duocast role
[email protected]
Friesestraatweg 213d 9743 AD Groningen The Netherlands
注册局 WHOISwhois.ripe.net
注册局 RDAPhttps://rdap.db.ripe.net/autnum/31477

注册机构备注

================================================

-

We have an open peering policy. If you're not

not peering with us already, please contact us

at [email protected]

--- Peering Exchanges --------------------------

Exchange : AMS-IX

Location : Globalswitch, Amsterdam

Speed : 10 Gbps

IPv4 : 80.249.209.98

IPv6 : 2001:7f8:1::A503:1477:1

Exchange : NL-IX

Location : EuNetworks, Amsterdam

IPv4 : 193.239.116.132

IPv6 : 2001:7f8:13::a503:1477:1

--- Communities sent to customers --------------

Learned at Globalswitch Amsterdam

31477:2500 routes from AMS-IX peers

31477:2700 routes from KPN eurorings

Learned at EuNetworks Amsterdam

31477:2600 routes from Level3

31477:2300 routes from NL-IX peers

31477:2400 routes from Openpeering

Customer routes:

31477:1000 cust. routes, announce to all

--- Communites acccepted from customer ---------

31477:666 blackhole

(Set next hop to null interface for IX'es)

(Stamp with blackhole community for transit)

--- Contacts -----------------------------------

abuse contact: [email protected]

peering contact: [email protected]

noc contact: [email protected]

-------------------- Transit -------------------

Level3

KPN Eurorings

----------------- NL Transit -------------------

Openpeering

------------------ Customers -------------------

---------------- Private Peers -----------------

Xconnect24

---------------- AMS-IX Peers ------------------

Ams-ix Routeserver

----------------- NL-IX Peers ------------------

关于 AS 号

AS 是什么。自治系统（Autonomous System）是互联网上一张张由单一机构管理的网络，AS 号（ASN）就是它的编号；谁宣告了哪些 IP 段，全球路由表里就记在谁的 AS 号下。

能看出什么。归属地只到城市时，AS 号能进一步说明这段 IP 属于哪家运营商、云厂商或机房 —— 例如 AS37963 是阿里云、AS4134 是中国电信、AS13335 是 Cloudflare。

数据从哪来。按 IANA 的 RDAP bootstrap 找到该号所属的区域注册机构（APNIC / ARIN / RIPE NCC 等），读取其公开的 RDAP 记录；结果会缓存在本站，重复打开不再重复请求。

想查某个 IP 属于哪个 AS，请用 网站 IP 查询 —— 结果页「AS」一行的链接就会跳到这里。