BGP map for 212.221.0.0/17

212.221.0.0/17 is announced by 2 networks, mostly AS3257 GTT-BACKBONE and seen by 331 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (19%), AS2914 NTT America, Inc. (9%) and AS3356 Level 3 Parent, LLC (8%). The most common path, used by 10 peers, is AS24482 AS2914 AS3257.

Routes checked 10:51:10 UTC

No change in the origin, the upstreams or the number of peers since 13:58 UTC on 28 Oct, when this site first looked at 212.221.0.0/17.

AS-path graph toward 212.221.0.0/17

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 331 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 259 paths drawn 4 quieter networks left out

View JSON Raw upstream

331collector peers

23RIS collectors

259distinct AS paths

2.9average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	64	19%
AS2914 NTT America, Inc.	31	9%
AS3356 Level 3 Parent, LLC	26	8%
AS174 Cogent Communications, LLC	23	7%
AS6461 Zayo Bandwidth	16	5%
AS9002 RETN-AS RETN Limited	13	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	12	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	10	3%
AS25091 IP-Max IP-Max SA	9	3%
AS3491 PCCW Global (HK) Ltd.	8	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	62	19%
AS2914 NTT America, Inc.	28	8%
AS3356 Level 3 Parent, LLC	26	8%
AS174 Cogent Communications, LLC	23	7%
AS6461 Zayo Bandwidth	11	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	10	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	9	3%
AS9002 RETN-AS RETN Limited	9	3%
AS25091 IP-Max IP-Max SA	6	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	6	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 AS3257	10	3%	10
2	AS8218 AS6461 AS3257	7	2%	6
3	AS6461 AS3257	5	2%	5
4	AS199524 AS3257	5	2%	5
5	AS9002 AS3257	4	1%	4
6	AS12779 AS3257	4	1%	4
7	AS13030 AS1299 AS3257	4	1%	4
8	AS2914 AS3257	3	<1%	3
9	AS3491 AS3257	3	<1%	3
10	AS25091 AS3257	3	<1%	3
11	AS34927 AS1299 AS3257	3	<1%	3
12	AS51185 AS6762 AS3257	3	<1%	3
13	AS14840 AS3356 AS3257	3	<1%	2
14	AS3320 AS3257	2	<1%	2
15	AS6830 AS3257	2	<1%	2
16	AS62167 AS3257	2	<1%	2
17	AS1299 AS3257	2	<1%	2
18	AS2497 AS3257	2	<1%	2
19	AS6762 AS3257	2	<1%	2
20	AS58057 AS34549 AS3257	2	<1%	2
21	AS25160 AS2914 AS3257	2	<1%	2
22	AS49544 AS2914 AS3257	2	<1%	2
23	AS14907 AS1299 AS3257	2	<1%	2
24	AS34019 AS25091 AS3257	2	<1%	2
25	AS8529 AS6453 AS3257	2	<1%	2
26	AS47147 AS1299 AS3257	2	<1%	2
27	AS15547 AS174 AS3257	2	<1%	2
28	AS48362 AS1764 AS3257	2	<1%	2
29	AS47147 AS3320 AS3257	2	<1%	2
30	AS47692 AS2914 AS3257	2	<1%	2
31	AS51184 AS1764 AS3257	2	<1%	2
32	AS59890 AS60068 AS3257	2	<1%	2
33	AS35280 AS3356 AS3257	2	<1%	2
34	AS19151 AS2914 AS3257	2	<1%	2
35	AS35710 AS3320 AS3257	2	<1%	2
36	AS271253 AS3356 AS3257	2	<1%	1
37	AS49544 AS1299 AS3257	2	<1%	2
38	AS49544 AS3356 AS3257	2	<1%	1
39	AS31027 AS1299 AS3257	2	<1%	1
40	AS20612 AS8758 AS9002 AS3257	2	<1%	1
41	AS142289 AS9583 AS4755 AS6453 AS3257	2	<1%	1
42	AS3257	1	<1%	1
43	AS7018 AS3257	1	<1%	1
44	AS852 AS3257	1	<1%	1
45	AS37721 AS3257	1	<1%	1
46	AS50300 AS3257	1	<1%	1
47	AS58057 AS3257	1	<1%	1
48	AS55720 AS3257	1	<1%	1
49	AS22652 AS3257	1	<1%	1
50	AS34549 AS3257	1	<1%	1

50 of 259 paths shown. All of them are in the JSON.

More prefixes from AS3257

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