BGP map for 2a0a:37c0::/32

2a0a:37c0::/32 is announced by AS18978 Enzu Inc and seen by 324 peers of 23 RIPE RIS collectors, over 241 different AS paths. Its busiest upstreams are AS3257 GTT-BACKBONE (38%), AS6939 Hurricane Electric LLC (32%) and AS6762 SEABONE-NET (24%). The most common path, used by 9 peers, is AS24482 AS2914 AS6762 AS18978.

Routes checked 17:46:14 UTC

No change in the origin, the upstreams or the number of peers since 20:07 UTC on 28 Oct, when this site first looked at 2a0a:37c0::/32.

AS-path graph toward 2a0a:37c0::/32

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 324 peers (3%) number on a line = peers using that link RIS data up to 17:45 UTC what the colours mean 12 of 241 paths drawn 4 quieter networks left out

View JSON Raw upstream

324collector peers

23RIS collectors

241distinct AS paths

3.5average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3257 GTT-BACKBONE GTT Communications Inc.	123	38%
AS6939 Hurricane Electric LLC	104	32%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	79	24%
AS3303 SWISSCOM Swisscom (Schweiz) AG	14	4%
AS14907 Wikimedia Foundation Inc.	1	<1%
AS36236 NetActuate, Inc	1	<1%
AS1828 Unitas Global	1	<1%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3257 GTT-BACKBONE GTT Communications Inc.	121	37%
AS6939 Hurricane Electric LLC	97	30%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	77	24%
AS2914 NTT America, Inc.	27	8%
AS1299 TWELVE99 Arelion Sweden AB	25	8%
AS3303 SWISSCOM Swisscom (Schweiz) AG	14	4%
AS174 Cogent Communications, LLC	9	3%
AS6461 Zayo Bandwidth	7	2%
AS3356 Level 3 Parent, LLC	6	2%
AS3491 PCCW Global (HK) Ltd.	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 AS6762 AS18978	9	3%	9
2	AS6939 AS18978	7	2%	7
3	AS8218 AS6461 AS3257 AS18978	7	2%	6
4	AS9002 AS3257 AS18978	5	2%	5
5	AS58057 AS6939 AS18978	4	1%	3
6	AS14840 AS6762 AS18978	4	1%	2
7	AS12779 AS3257 AS18978	4	1%	4
8	AS2914 AS6762 AS18978	3	<1%	3
9	AS34927 AS6939 AS18978	3	<1%	2
10	AS3214 AS6939 AS18978	3	<1%	3
11	AS34019 AS3303 AS18978	3	<1%	3
12	AS6461 AS3257 AS18978	3	<1%	3
13	AS3491 AS3257 AS18978	3	<1%	3
14	AS15547 AS3303 AS18978	3	<1%	3
15	AS25091 AS3257 AS18978	3	<1%	3
16	AS13030 AS1299 AS3257 AS18978	3	<1%	3
17	AS49544 AS2914 AS6762 AS18978	3	<1%	3
18	AS6762 AS18978	2	<1%	2
19	AS3257 AS18978	2	<1%	2
20	AS2497 AS3257 AS18978	2	<1%	2
21	AS199524 AS3257 AS18978	2	<1%	2
22	AS852 AS3257 AS18978	2	<1%	2
23	AS8529 AS6939 AS18978	2	<1%	2
24	AS35710 AS6939 AS18978	2	<1%	2
25	AS1299 AS3257 AS18978	2	<1%	2
26	AS6461 AS6762 AS18978	2	<1%	2
27	AS6667 AS3257 AS18978	2	<1%	2
28	AS47692 AS6939 AS18978	2	<1%	2
29	AS51184 AS6939 AS18978	2	<1%	2
30	AS62167 AS6939 AS18978	2	<1%	2
31	AS202032 AS6939 AS18978	2	<1%	2
32	AS28917 AS3257 AS18978	2	<1%	1
33	AS59890 AS6939 AS18978	2	<1%	2
34	AS14907 AS6939 AS18978	2	<1%	2
35	AS24482 AS2914 AS3257 AS18978	2	<1%	2
36	AS1403 AS577 AS6939 AS18978	2	<1%	1
37	AS49544 AS3356 AS6762 AS18978	2	<1%	1
38	AS31027 AS1299 AS3257 AS18978	2	<1%	1
39	AS47147 AS3320 AS3257 AS18978	2	<1%	2
40	AS48362 AS1764 AS3257 AS18978	2	<1%	2
41	AS12859 AS1299 AS6762 AS18978	2	<1%	1
42	AS25160 AS2914 AS6762 AS18978	2	<1%	2
43	AS42473 AS1299 AS3257 AS18978	2	<1%	2
44	AS35280 AS3356 AS3257 AS18978	2	<1%	2
45	AS20612 AS8758 AS3303 AS18978	2	<1%	1
46	AS206271 AS60707 AS12735 AS6939 AS18978	2	<1%	1
47	AS142289 AS9583 AS2914 AS6762 AS18978	2	<1%	1
48	AS14907 AS18978	1	<1%	1
49	AS36236 AS18978	1	<1%	1
50	AS1828 AS18978	1	<1%	1

50 of 241 paths shown. All of them are in the JSON.

More prefixes from AS18978

Routes seen by RIPE RIS in the 24 hours up to 9 Nov 2026, 17:45 UTC, fetched 6 hours ago.