BGP map for 39.108.0.0/16

39.108.0.0/16 is announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd. and seen by 334 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS4811 China Telecom (Group) (78%) and AS4837 CHINA UNICOM China169 Backbone (22%). The most common path, used by 11 peers, is AS24482 AS2914 AS4134 AS4811 AS37963.

Routes checked 11:08:27 UTC

Recent route changes

8 Nov 11:08 UTCThe prefix is announced again, seen by 334 collector peers
7 Nov 19:06 UTCNo collector peer sees the prefix any more

AS-path graph toward 39.108.0.0/16

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 334 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 258 paths drawn 4 quieter networks left out

View JSON Raw upstream

334collector peers

23RIS collectors

258distinct AS paths

4.7average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	261	78%
AS4837 CHINA UNICOM China169 Backbone	73	22%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4811 China Telecom (Group)	261	78%
AS4134 No.31,Jin-rong Street	260	78%
AS4837 CHINA UNICOM China169 Backbone	72	22%
AS1299 TWELVE99 Arelion Sweden AB	46	14%
AS2914 NTT America, Inc.	27	8%
AS174 Cogent Communications, LLC	26	8%
AS3356 Level 3 Parent, LLC	25	7%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	14	4%
AS6939 Hurricane Electric LLC	12	4%
AS3257 GTT-BACKBONE GTT Communications Inc.	9	3%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#	Path, collector peer to origin	Peers	Share	Collectors
1	AS24482 AS2914 AS4134 AS4811 AS37963	11	3%	11
2	AS8218 AS4134 AS4811 AS37963	7	2%	6
3	AS6461 AS4134 AS4811 AS37963	5	1%	5
4	AS12779 AS4837 AS37963	4	1%	4
5	AS13030 AS1299 AS4134 AS4811 AS37963	4	1%	4
6	AS2914 AS4134 AS4811 AS37963	3	<1%	3
7	AS3491 AS4134 AS4811 AS37963	3	<1%	3
8	AS9002 AS4134 AS4811 AS37963	3	<1%	3
9	AS34019 AS4134 AS4811 AS37963	3	<1%	3
10	AS25091 AS4134 AS4811 AS37963	3	<1%	3
11	AS51185 AS6762 AS4837 AS37963	3	<1%	3
12	AS34927 AS1299 AS4134 AS4811 AS37963	3	<1%	3
13	AS49544 AS2914 AS4134 AS4811 AS37963	3	<1%	3
14	AS199524 AS1299 AS4134 AS4811 AS37963	3	<1%	3
15	AS14840 AS6762 AS4134 AS4811 AS37963	3	<1%	2
16	AS51184 AS4837 AS37963	2	<1%	2
17	AS6762 AS4837 AS37963	2	<1%	2
18	AS3320 AS4134 AS4811 AS37963	2	<1%	2
19	AS3257 AS4134 AS4811 AS37963	2	<1%	2
20	AS6830 AS4134 AS4811 AS37963	2	<1%	2
21	AS1299 AS4134 AS4811 AS37963	2	<1%	2
22	AS8529 AS4134 AS4811 AS37963	2	<1%	2
23	AS47692 AS4134 AS4811 AS37963	2	<1%	2
24	AS2497 AS4134 AS4811 AS37963	2	<1%	2
25	AS58057 AS1836 AS4134 AS4811 AS37963	2	<1%	2
26	AS58057 AS34549 AS5511 AS4837 AS37963	2	<1%	2
27	AS25160 AS174 AS4134 AS4811 AS37963	2	<1%	2
28	AS42473 AS1299 AS4134 AS4811 AS37963	2	<1%	2
29	AS917 AS60068 AS4134 AS4811 AS37963	2	<1%	2
30	AS14907 AS1299 AS4134 AS4811 AS37963	2	<1%	2
31	AS47147 AS1299 AS4134 AS4811 AS37963	2	<1%	2
32	AS15547 AS174 AS4134 AS4811 AS37963	2	<1%	2
33	AS48362 AS1764 AS4134 AS4811 AS37963	2	<1%	2
34	AS47147 AS3320 AS4134 AS4811 AS37963	2	<1%	2
35	AS59890 AS60068 AS4134 AS4811 AS37963	2	<1%	2
36	AS35280 AS3356 AS4134 AS4811 AS37963	2	<1%	2
37	AS19151 AS2914 AS4134 AS4811 AS37963	2	<1%	2
38	AS3214 AS4809 AS4134 AS4811 AS37963	2	<1%	2
39	AS35710 AS3320 AS4134 AS4811 AS37963	2	<1%	2
40	AS199524 AS3491 AS4134 AS4811 AS37963	2	<1%	2
41	AS271253 AS3356 AS4134 AS4811 AS37963	2	<1%	1
42	AS49544 AS3356 AS4134 AS4811 AS37963	2	<1%	1
43	AS31027 AS1299 AS4134 AS4811 AS37963	2	<1%	1
44	AS20612 AS9044 AS1299 AS4134 AS4811 AS37963	2	<1%	1
45	AS142289 AS9583 AS4755 AS6453 AS4837 AS37963	2	<1%	1
46	AS4837 AS37963	1	<1%	1
47	AS7018 AS4837 AS37963	1	<1%	1
48	AS5511 AS4837 AS37963	1	<1%	1
49	AS6424 AS4837 AS37963	1	<1%	1
50	AS4134 AS4811 AS37963	1	<1%	1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS37963

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.