BGP map for 147.73.16.0/20

147.73.16.0/20 is announced by AS5050 Pittsburgh Supercomputing Center and seen by 331 peers of 23 RIPE RIS collectors, over 254 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (79%) and AS11164 Internet2 (21%). The most common path, used by 11 peers, is AS24482 AS2914 AS3356 AS5050.

Routes checked 19:14:59 UTC

No change in the origin, the upstreams or the number of peers since 19:14 UTC, when this site first looked at 147.73.16.0/20.

AS-path graph toward 147.73.16.0/20

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 331 peers (3%) number on a line = peers using that link RIS data up to 19:14 UTC what the colours mean 12 of 254 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

331collector peers

23RIS collectors

254distinct AS paths

3.9average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	263	79%
AS11164 Internet2	68	21%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	263	79%
AS11164 Internet2	66	20%
AS1299 TWELVE99 Arelion Sweden AB	39	12%
AS2914 NTT America, Inc.	34	10%
AS6461 Zayo Bandwidth	22	7%
AS3303 SWISSCOM Swisscom (Schweiz) AG	17	5%
AS174 Cogent Communications, LLC	15	5%
AS3257 GTT-BACKBONE GTT Communications Inc.	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS3320 DTAG Deutsche Telekom AG	7	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 AS3356 AS5050	11	3%	11
2	AS8218 AS6461 AS11164 AS5050	7	2%	6
3	AS6461 AS11164 AS5050	5	2%	5
4	AS9002 AS3356 AS5050	4	1%	4
5	AS14840 AS3356 AS5050	4	1%	2
6	AS13030 AS1299 AS3356 AS5050	4	1%	4
7	AS2914 AS3356 AS5050	3	<1%	3
8	AS3491 AS3356 AS5050	3	<1%	3
9	AS48185 AS3356 AS5050	3	<1%	3
10	AS49544 AS3356 AS5050	3	<1%	2
11	AS25091 AS3356 AS5050	3	<1%	3
12	AS12779 AS3257 AS3356 AS5050	3	<1%	3
13	AS34927 AS1299 AS3356 AS5050	3	<1%	3
14	AS51185 AS6762 AS3356 AS5050	3	<1%	3
15	AS34019 AS3303 AS11164 AS5050	3	<1%	3
16	AS11164 AS5050	2	<1%	2
17	AS3257 AS3356 AS5050	2	<1%	2
18	AS6830 AS3356 AS5050	2	<1%	2
19	AS3320 AS3356 AS5050	2	<1%	2
20	AS62167 AS3356 AS5050	2	<1%	2
21	AS1299 AS3356 AS5050	2	<1%	2
22	AS50628 AS3356 AS5050	2	<1%	2
23	AS31027 AS3356 AS5050	2	<1%	1
24	AS8529 AS3356 AS5050	2	<1%	2
25	AS35280 AS3356 AS5050	2	<1%	2
26	AS6762 AS3356 AS5050	2	<1%	2
27	AS49544 AS11164 AS5050	2	<1%	2
28	AS59890 AS3356 AS5050	2	<1%	2
29	AS271253 AS3356 AS5050	2	<1%	1
30	AS199524 AS11164 AS5050	2	<1%	2
31	AS2497 AS11164 AS5050	2	<1%	2
32	AS19151 AS11164 AS5050	2	<1%	2
33	AS25160 AS2914 AS3356 AS5050	2	<1%	2
34	AS58057 AS1836 AS3356 AS5050	2	<1%	2
35	AS35710 AS3320 AS3356 AS5050	2	<1%	2
36	AS14907 AS2914 AS3356 AS5050	2	<1%	2
37	AS199524 AS1299 AS3356 AS5050	2	<1%	2
38	AS15547 AS3303 AS11164 AS5050	2	<1%	2
39	AS51184 AS1764 AS3356 AS5050	2	<1%	2
40	AS48362 AS1764 AS3356 AS5050	2	<1%	2
41	AS47692 AS33891 AS3356 AS5050	2	<1%	2
42	AS47147 AS1299 AS3356 AS5050	2	<1%	2
43	AS58057 AS34549 AS2914 AS3356 AS5050	2	<1%	2
44	AS20612 AS8758 AS3303 AS11164 AS5050	2	<1%	1
45	AS142289 AS9583 AS4755 AS6453 AS3356 AS5050	2	<1%	1
46	AS1828 AS11164 AS5050	1	<1%	1
47	AS7018 AS3356 AS5050	1	<1%	1
48	AS852 AS11164 AS5050	1	<1%	1
49	AS50300 AS3356 AS5050	1	<1%	1
50	AS3549 AS3356 AS5050	1	<1%	1

50 of 254 paths shown. All of them are in the JSON.

More prefixes from AS5050

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 19:14 UTC, fetched just now.