BGP map for 37.203.32.0/21

37.203.32.0/21 is announced by AS12993 DEAC-AS and seen by 334 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS9002 RETN-AS (38%), AS3257 GTT-BACKBONE (28%) and AS6939 Hurricane Electric LLC (5%). The most common path, used by 10 peers, is AS24482 AS12993.

Routes checked 16:19:30 UTC

No change in the origin, the upstreams or the number of peers since 03:25 UTC on 27 Oct, when this site first looked at 37.203.32.0/21.

AS-path graph toward 37.203.32.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 334 peers (3%) number on a line = peers using that link RIS data up to 16:18 UTC what the colours mean 12 of 260 paths drawn 3 quieter networks left out

View JSON Raw upstream

334collector peers

23RIS collectors

260distinct AS paths

3.3average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	128	38%
AS3257 GTT-BACKBONE GTT Communications Inc.	95	28%
AS6939 Hurricane Electric LLC	18	5%
AS201201 Datalogistics UAB Delska Lithuania	16	5%
AS24482 SG.GS	10	3%
AS14840 BR.Digital Telecom	5	1%
AS48362 TKSWF-AS Stadtwerke Feldkirch	4	1%
AS48185 team_blue team.blue NV	3	<1%
AS25091 IP-Max IP-Max SA	3	<1%
AS62167 Tismi Tismi BV	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	124	37%
AS3257 GTT-BACKBONE GTT Communications Inc.	94	28%
AS1299 TWELVE99 Arelion Sweden AB	24	7%
AS6939 Hurricane Electric LLC	18	5%
AS3356 Level 3 Parent, LLC	16	5%
AS174 Cogent Communications, LLC	16	5%
AS201201 Datalogistics UAB Delska Lithuania	16	5%
AS2914 NTT America, Inc.	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	8	2%
AS8758 IWAY Iway AG	5	1%

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 AS12993	10	3%	10
2	AS8218 AS9002 AS12993	7	2%	6
3	AS6461 AS9002 AS12993	5	1%	5
4	AS9002 AS12993	4	1%	4
5	AS14840 AS12993	4	1%	2
6	AS47147 AS9002 AS12993	4	1%	4
7	AS13030 AS1299 AS3257 AS12993	4	1%	4
8	AS48185 AS12993	3	<1%	3
9	AS25091 AS12993	3	<1%	3
10	AS48362 AS12993	3	<1%	3
11	AS3491 AS3257 AS12993	3	<1%	3
12	AS3214 AS9002 AS12993	3	<1%	3
13	AS49544 AS9002 AS12993	3	<1%	3
14	AS199524 AS3257 AS12993	3	<1%	3
15	AS51185 AS6762 AS9002 AS12993	3	<1%	3
16	AS62167 AS12993	2	<1%	2
17	AS25160 AS12993	2	<1%	2
18	AS212483 AS12993	2	<1%	1
19	AS12779 AS12993	2	<1%	2
20	AS6830 AS3257 AS12993	2	<1%	2
21	AS3320 AS3257 AS12993	2	<1%	2
22	AS42473 AS9002 AS12993	2	<1%	2
23	AS1299 AS3257 AS12993	2	<1%	2
24	AS31027 AS12552 AS12993	2	<1%	1
25	AS199524 AS9002 AS12993	2	<1%	2
26	AS2914 AS3257 AS12993	2	<1%	2
27	AS6762 AS9002 AS12993	2	<1%	2
28	AS59890 AS6939 AS12993	2	<1%	2
29	AS2497 AS3257 AS12993	2	<1%	2
30	AS19151 AS9002 AS12993	2	<1%	2
31	AS34927 AS1299 AS3257 AS12993	2	<1%	2
32	AS58057 AS1836 AS9002 AS12993	2	<1%	2
33	AS58057 AS34549 AS3257 AS12993	2	<1%	2
34	AS49544 AS3356 AS9002 AS12993	2	<1%	1
35	AS35710 AS3320 AS3257 AS12993	2	<1%	2
36	AS35280 AS3356 AS9002 AS12993	2	<1%	2
37	AS15547 AS174 AS201201 AS12993	2	<1%	2
38	AS51184 AS1764 AS9002 AS12993	2	<1%	2
39	AS47692 AS2914 AS3257 AS12993	2	<1%	2
40	AS20612 AS8758 AS9002 AS12993	2	<1%	1
41	AS271253 AS3356 AS9002 AS12993	2	<1%	1
42	AS142289 AS9583 AS4755 AS6453 AS9002 AS12993	2	<1%	1
43	AS12993	1	<1%	1
44	AS1828 AS12993	1	<1%	1
45	AS39122 AS12993	1	<1%	1
46	AS14630 AS12993	1	<1%	1
47	AS271253 AS12993	1	<1%	1
48	AS37721 AS12993	1	<1%	1
49	AS198150 AS12993	1	<1%	1
50	AS44901 AS12993	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS12993

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 16:18 UTC, fetched just now.