View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6

---

Peers

	ASN	Description	IPv4	IPv6
	AS4808	China Unicom Beijing Province Network	✔	✔

aut-num:        AS139122
as-name:        BMAC
descr:          BEIJING MUNICIPAL ADMINISTRATION COMMUNICATION CARD CO..LTD
descr:          15-19F Block B,the Chinese Satellite Communication Mansion,
descr:          No.63 Zhichun Road,Haidian District,Beijing
country:        CN
admin-c:        YW7108-AP
tech-c:         YW7108-AP
abuse-c:        AC1601-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-BMAC-CN
last-modified:  2023-11-28T00:58:27Z
source:         APNIC

Last Update: 2026-02-18T03:22:32Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count