BGP map for 217.66.104.0/21

217.66.104.0/21 is announced by AS21488 EMPLOT-AS and seen by 328 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (81%), AS6939 Hurricane Electric LLC (7%) and AS3257 GTT-BACKBONE (3%). The most common path, used by 9 peers, is AS24482 AS2914 AS174 AS21488.

Routes checked 16:49:05 UTC

No change in the origin, the upstreams or the number of peers since 03:03 UTC on 27 Oct, when this site first looked at 217.66.104.0/21.

AS-path graph toward 217.66.104.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 328 peers (3%) number on a line = peers using that link RIS data up to 16:48 UTC what the colours mean 12 of 252 paths drawn 5 quieter networks left out

View JSON Raw upstream

328collector peers

23RIS collectors

252distinct AS paths

3.6average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	267	81%
AS6939 Hurricane Electric LLC	23	7%
AS3257 GTT-BACKBONE GTT Communications Inc.	11	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	10	3%
AS14840 BR.Digital Telecom	5	2%
AS212483 level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD	2	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS22356 Durand do Brasil Ltda	2	<1%
AS59514 DARNYTSIA-NET PE Kucherenko V.V.	1	<1%
AS198150 SIACOM-AS SIACOM JSC	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	267	81%
AS1299 TWELVE99 Arelion Sweden AB	47	14%
AS6939 Hurricane Electric LLC	23	7%
AS3356 Level 3 Parent, LLC	20	6%
AS2914 NTT America, Inc.	17	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	12	4%
AS6461 Zayo Bandwidth	10	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	10	3%
AS3257 GTT-BACKBONE GTT Communications Inc.	10	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	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 AS174 AS21488	9	3%	9
2	AS199524 AS174 AS21488	7	2%	7
3	AS8218 AS6461 AS174 AS21488	7	2%	6
4	AS6461 AS174 AS21488	5	2%	5
5	AS14840 AS21488	4	1%	2
6	AS13030 AS1299 AS174 AS21488	4	1%	4
7	AS9002 AS3356 AS174 AS21488	4	1%	4
8	AS47147 AS1299 AS174 AS21488	4	1%	4
9	AS3491 AS174 AS21488	3	<1%	3
10	AS34019 AS3303 AS21488	3	<1%	3
11	AS51185 AS6762 AS174 AS21488	3	<1%	3
12	AS14907 AS1299 AS174 AS21488	3	<1%	3
13	AS212483 AS21488	2	<1%	1
14	AS49544 AS21488	2	<1%	2
15	AS6830 AS174 AS21488	2	<1%	2
16	AS3320 AS174 AS21488	2	<1%	2
17	AS2914 AS3257 AS21488	2	<1%	2
18	AS62167 AS174 AS21488	2	<1%	2
19	AS6424 AS174 AS21488	2	<1%	2
20	AS25160 AS174 AS21488	2	<1%	2
21	AS1299 AS174 AS21488	2	<1%	2
22	AS8529 AS6939 AS21488	2	<1%	2
23	AS15547 AS174 AS21488	2	<1%	2
24	AS12779 AS174 AS21488	2	<1%	2
25	AS6762 AS174 AS21488	2	<1%	2
26	AS59890 AS6939 AS21488	2	<1%	2
27	AS271253 AS174 AS21488	2	<1%	1
28	AS2497 AS174 AS21488	2	<1%	2
29	AS19151 AS174 AS21488	2	<1%	2
30	AS917 AS60068 AS174 AS21488	2	<1%	2
31	AS42473 AS1299 AS174 AS21488	2	<1%	2
32	AS34927 AS1299 AS174 AS21488	2	<1%	2
33	AS58057 AS34549 AS174 AS21488	2	<1%	2
34	AS48185 AS3356 AS174 AS21488	2	<1%	2
35	AS49544 AS3356 AS174 AS21488	2	<1%	1
36	AS31027 AS1299 AS174 AS21488	2	<1%	1
37	AS35710 AS3320 AS174 AS21488	2	<1%	2
38	AS49544 AS2914 AS174 AS21488	2	<1%	2
39	AS35280 AS3356 AS174 AS21488	2	<1%	2
40	AS51184 AS1764 AS174 AS21488	2	<1%	2
41	AS48362 AS1764 AS174 AS21488	2	<1%	2
42	AS47692 AS2914 AS3257 AS21488	2	<1%	2
43	AS20612 AS9044 AS174 AS21488	2	<1%	1
44	AS142289 AS9583 AS4755 AS6453 AS174 AS21488	2	<1%	1
45	AS59514 AS21488	1	<1%	1
46	AS198150 AS21488	1	<1%	1
47	AS48919 AS21488	1	<1%	1
48	AS3257 AS21488	1	<1%	1
49	AS209823 AS21488	1	<1%	1
50	AS15692 AS174 AS21488	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS21488

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 16:48 UTC, fetched just now.