AS37965 — CNNIC-PBSL-AP - Pacnet Business Solutions LTD

AS37965 announces 32 IPv4 prefixes covering 22,016 addresses and 1 IPv6 prefixes.

About this network

The AS handle CNNIC-PBSL-AP is held by Pacnet Business Solutions LTD.

What it's used for

• The address space carries enterprise traffic, evidenced by reverse DNS records pointing to static.user..zhong-ren.net and netnames registered as PBSL.
• The network announces 22,272 IPv4 addresses across 38 prefixes and 1 IPv6 prefix, while maintaining only 4 observed neighbours, indicating a role focused on serving specific enterprise clients rather than general transit.
• Traffic from this AS consists of connectivity and managed services for multinational enterprises and governments, consistent with the operator's business profile as a provider of IP Virtual Private Networks and data centre solutions.

Notable

• All sampled registrants are listed as IRT-PBSL-CN with the netname PBSL, which aligns directly with the AS holder Pacnet Business Solutions LTD.
• Pacnet Business Solutions is a joint venture in China associated with Pacnet, which was acquired by Telstra; the acquisition included interests in this domestic IP Virtual Private Network licensee.
• The inventory is concentrated in the 222.126.0.0/16 range, with the largest block being 222.126.248.0/21, and the address space is finely subdivided into numerous /22 and /23 prefixes.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 139.220.199.0/24
• 222.126.128.0/22
• 222.126.132.0/23
• 222.126.134.0/24
• 222.126.138.0/23
• 222.126.140.0/22
• 222.126.144.0/24
• 222.126.146.0/23
• 222.126.148.0/22
• 222.126.152.0/22
• 222.126.158.0/23
• 222.126.160.0/22
• 222.126.164.0/23
• 222.126.168.0/22
• 222.126.172.0/23
• 222.126.176.0/23
• 222.126.179.0/24
• 222.126.180.0/22
• 222.126.184.0/22
• 222.126.192.0/22
• 222.126.196.0/23
• 222.126.200.0/22
• 222.126.208.0/23
• 222.126.212.0/23
• 222.126.216.0/23
• 222.126.228.0/23
• 222.126.234.0/23
• 222.126.236.0/22
• 222.126.243.0/24
• 222.126.245.0/24
• 222.126.246.0/23
• 222.126.248.0/21
• 2401:2a00:f000::/43

Upstream networks

• AS7468 Cyber Express Communication Ltd.
• AS24400 Shanghai Mobile Communications Co.,Ltd.
• AS17621 China Unicom Shanghai network
• AS56040 China Mobile communications corporation
• AS9812 Oriental Cable Network Co., Ltd.

Adjacent networks

• AS7468 Cyber Express Communication Ltd.
• AS24400 Shanghai Mobile Communications Co.,Ltd.
• AS17621 China Unicom Shanghai network
• AS56040 China Mobile communications corporation
• AS9812 Oriental Cable Network Co., Ltd.

Routing security

• RPKI: 98 valid, 0 invalid and 0 not-found announcements; 79 ROAs.
• ASPA: none published.
• IRR: 54% of announcements registered; 159 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-BBIX-T, AS-CTBJ, AS-CTSH, AS-IIJ, AS-KDDCUSTOMER2, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-PACNET-DOWNSTREAM-HK, AS-PACNET-DOWNSTREAM-PH, AS-TELSTRA-INTL-CUSTOMERS, AS-TELSTRA-INTL-CUSTOMERS-4637, AS-XO-B, AS17621:AS-CNCGROUP-SH, AS17623:AS-CNCGROUP-SZ, AS23911:AS-CUSTOMERS-V6, AS2497:AS-IIJ, AS3491:AS-CUSTOMERS-AP, AS4538:AS-CUSTOMERS, AS4538:AS-CUSTOMERS-V6, AS58453:AS-AMERICAASCUST, AS58453:AS-AMERICAASCUST, AS58453:AS-ASIAASCUST, AS58453:AS-ASIAASCUST, AS7497:AS-CUSTOMERS.