BGP map for 157.100.0.0/19

157.100.0.0/19 is announced by AS27947 Telconet S.A and seen by 329 peers of 23 RIPE RIS collectors, over 250 different AS paths. Its busiest upstreams are AS23520 Columbus Networks USA, Inc. (41%), AS2914 NTT America, Inc. (40%) and AS6762 SEABONE-NET (18%). The most common path, used by 11 peers, is AS24482 AS2914 AS27947.

Routes checked 05:50:33 UTC

No change in the origin, the upstreams or the number of peers since 05:50 UTC, when this site first looked at 157.100.0.0/19.

AS-path graph toward 157.100.0.0/19

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 329 peers (3%) number on a line = peers using that link RIS data up to 05:49 UTC what the colours mean 12 of 250 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

329collector peers

23RIS collectors

250distinct AS paths

3.7average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS23520 Columbus Networks USA, Inc.	136	41%
AS2914 NTT America, Inc.	130	40%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	58	18%
AS3356 Level 3 Parent, LLC	5	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS23520 Columbus Networks USA, Inc.	136	41%
AS2914 NTT America, Inc.	127	39%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	56	17%
AS1299 TWELVE99 Arelion Sweden AB	42	13%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	40	12%
AS174 Cogent Communications, LLC	34	10%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	6	2%
AS3356 Level 3 Parent, LLC	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	2%

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 AS27947	11	3%	11
2	AS8218 AS6830 AS23520 AS27947	7	2%	6
3	AS9002 AS2914 AS27947	4	1%	4
4	AS12779 AS2914 AS27947	4	1%	4
5	AS14840 AS6762 AS27947	4	1%	2
6	AS13030 AS1299 AS23520 AS27947	4	1%	4
7	AS47147 AS6830 AS23520 AS27947	4	1%	4
8	AS2914 AS27947	3	<1%	3
9	AS3491 AS2914 AS27947	3	<1%	3
10	AS48185 AS2914 AS27947	3	<1%	3
11	AS51185 AS6762 AS27947	3	<1%	3
12	AS199524 AS2914 AS27947	3	<1%	3
13	AS35280 AS2914 AS27947	3	<1%	3
14	AS6461 AS6762 AS27947	3	<1%	3
15	AS25091 AS6830 AS23520 AS27947	3	<1%	3
16	AS6762 AS27947	2	<1%	2
17	AS6461 AS2914 AS27947	2	<1%	2
18	AS6830 AS23520 AS27947	2	<1%	2
19	AS25160 AS2914 AS27947	2	<1%	2
20	AS1299 AS23520 AS27947	2	<1%	2
21	AS55720 AS2914 AS27947	2	<1%	1
22	AS14907 AS2914 AS27947	2	<1%	2
23	AS49544 AS3356 AS27947	2	<1%	1
24	AS49544 AS2914 AS27947	2	<1%	2
25	AS8529 AS6762 AS27947	2	<1%	2
26	AS47692 AS2914 AS27947	2	<1%	2
27	AS199524 AS6762 AS27947	2	<1%	2
28	AS2497 AS2914 AS27947	2	<1%	2
29	AS19151 AS2914 AS27947	2	<1%	2
30	AS917 AS60068 AS23520 AS27947	2	<1%	2
31	AS62167 AS174 AS23520 AS27947	2	<1%	2
32	AS34927 AS1299 AS23520 AS27947	2	<1%	2
33	AS34927 AS6830 AS23520 AS27947	2	<1%	2
34	AS58057 AS34549 AS2914 AS27947	2	<1%	2
35	AS31027 AS1299 AS23520 AS27947	2	<1%	1
36	AS35710 AS3320 AS2914 AS27947	2	<1%	2
37	AS34019 AS6830 AS23520 AS27947	2	<1%	2
38	AS15547 AS174 AS23520 AS27947	2	<1%	2
39	AS199524 AS174 AS23520 AS27947	2	<1%	2
40	AS51184 AS47692 AS2914 AS27947	2	<1%	2
41	AS48362 AS1764 AS2914 AS27947	2	<1%	2
42	AS49544 AS6830 AS23520 AS27947	2	<1%	2
43	AS59890 AS60068 AS23520 AS27947	2	<1%	2
44	AS271253 AS174 AS23520 AS27947	2	<1%	1
45	AS199524 AS1299 AS23520 AS27947	2	<1%	2
46	AS142289 AS9583 AS6453 AS2914 AS27947	2	<1%	1
47	AS20612 AS9044 AS174 AS23520 AS27947	2	<1%	1
48	AS15692 AS2914 AS27947	1	<1%	1
49	AS36924 AS6762 AS27947	1	<1%	1
50	AS31742 AS2914 AS27947	1	<1%	1

50 of 250 paths shown. All of them are in the JSON.

More prefixes from AS27947

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 05:49 UTC, fetched just now.