The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 2 October 2025 01:28 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	682624	15.94%	1	682624.00	MAHDI-UMRAN, ID
2	202256	414574	9.68%	1856	223.37	LAWLIETNET, CN
3	203062	234631	5.48%	18	13035.06	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	7552	187874	4.39%	3975	47.26	VIETEL-AS-AP Viettel Group, VN
5	22616	132079	3.08%	36	3668.86	ZSCALER-SJC1, US
6	16509	108687	2.54%	5522	19.68	AMAZON-02, US
7	53667	105494	2.46%	5238	20.14	PONYNET, US
8	40138	83377	1.95%	42	1985.17	MDNET, US
9	51559	69006	1.61%	98	704.14	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
10	38266	66634	1.56%	1367	48.74	VIL-AS-AP Vodafone Idea Ltd, IN
11	10103	52654	1.23%	12	4387.83	HKBN-AS-AP HK Broadband Network Ltd., HK
12	12041	48286	1.13%	228	211.78	AS-AFILIAS1, US
13	215171	43466	1.02%	5	8693.20	PT. DETROIT NETWORK INDONESIA, ID
14	211281	38719	0.90%	6	6453.17	NEOHOST-AS, RO
15	21664	38637	0.90%	100	386.37	AMZN-BYOASN, US
16	39409	38494	0.90%	7	5499.14	SWG-MYROOTPW, AT
17	45271	34903	0.82%	1311	26.62	VIL-AS-AP Vodafone Idea Ltd, IN
18	21351	31426	0.73%	17	1848.59	CANALPLUSTELECOM, GP
19	39572	29778	0.70%	34	875.82	ADVANCEDHOSTERS-AS, NL
20	45609	26273	0.61%	3557	7.39	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
21	13780	25901	0.60%	10	2590.10	MILEHIGHWALRUS-NETWORK, US
22	213092	25794	0.60%	12	2149.50	MARBLEIS, GB
23	204210	23490	0.55%	7	3355.71	ZEUSPACKAGINGLTD, IE
24	204508	22245	0.52%	18	1235.83	MLGT, IT
25	213124	22099	0.52%	9	2455.44	ZYLINKTECH, US
26	136873	21436	0.50%	8	2679.50	MEGADATA-AS-ID MEGADATA-ISP, ID
27	139341	21305	0.50%	163	130.71	ACE-AS-AP ACE, SG
28	272053	19928	0.47%	1	19928.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
29	23420	19910	0.46%	1	19910.00	AS-DAVENPRO, US
30	11172	19864	0.46%	2684	7.40	Alestra, S. de R.L. de C.V., MX
31	28458	18474	0.43%	2	9237.00	IENTC S DE RL DE CV, MX
32	2832	18275	0.43%	1	18275.00	AS-SUNET-TESTBED, SE
33	11664	17730	0.41%	1082	16.39	Techtel LMDS Comunicaciones Interactivas S.A., AR
34	60539	16567	0.39%	2549	6.50	HUICAST_TELECOM, HK
35	17072	15723	0.37%	1326	11.86	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
36	30083	15552	0.36%	3	5184.00	AS-30083-US-VELIA-NET, DE
37	396356	15104	0.35%	242	62.41	LATITUDE-SH, US
38	36183	14810	0.35%	1649	8.98	AKAMAI-AS, US
39	200334	14508	0.34%	6	2418.00	NETOPS-TR netops lab Network Operations Center, TR
40	28598	13901	0.32%	14	992.93	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
41	28657	13326	0.31%	2	6663.00	MD Brasil - Tecnologia da Informacao Ltda, BR
42	200936	13236	0.31%	19	696.63	GUO-AS Chengjie Guos Experimental Network, CN
43	36530	12808	0.30%	36	355.78	FUTURE-LAIN, US
44	151810	12213	0.29%	3	4071.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
45	268487	11968	0.28%	5	2393.60	PRISMA TELECOMUNICACOES LTDA. EPP, BR
46	13335	11820	0.28%	2919	4.05	CLOUDFLARENET, US
47	269684	11787	0.28%	3	3929.00	LANFIBRA TELECOMUNICACOES - EIRELI, BR
48	212815	11361	0.27%	5	2272.20	AS-DYJIX, FR
49	92	10924	0.26%	1	10924.00	CLARKSON-AS, US
50	210564	10702	0.25%	1	10702.00	SWANTZTER-AS, SE
Total		2970377	69.39%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	682624.0	15.94%	1	682624	MAHDI-UMRAN, ID
2	272053	19928.0	0.47%	1	19928	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
3	23420	19910.0	0.46%	1	19910	AS-DAVENPRO, US
4	2832	18275.0	0.43%	1	18275	AS-SUNET-TESTBED, SE
5	203062	13035.1	5.48%	18	234631	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	92	10924.0	0.26%	1	10924	CLARKSON-AS, US
7	210564	10702.0	0.25%	1	10702	SWANTZTER-AS, SE
8	214493	9624.0	0.22%	1	9624	FTSELL, DE
9	28458	9237.0	0.43%	2	18474	IENTC S DE RL DE CV, MX
10	215171	8693.2	1.02%	5	43466	PT. DETROIT NETWORK INDONESIA, ID
11	37353	7654.0	0.18%	1	7654	SEACOM-AS, ZA
12	28657	6663.0	0.31%	2	13326	MD Brasil - Tecnologia da Informacao Ltda, BR
13	211281	6453.2	0.90%	6	38719	NEOHOST-AS, RO
14	40692	6397.0	0.15%	1	6397	CIS-AZ-1, US
15	204378	5989.0	0.14%	1	5989	WAVESQUID, AU
16	41701	5721.0	0.13%	1	5721	CAP-FIN-AS, FI
17	39409	5499.1	0.90%	7	38494	SWG-MYROOTPW, AT
18	199678	5489.0	0.13%	1	5489	AS-6RW-, RU
19	216141	5373.0	0.13%	1	5373	LEATYON-AS, IT
20	30083	5184.0	0.36%	3	15552	AS-30083-US-VELIA-NET, DE
21	61625	5055.0	0.12%	1	5055
22	211645	4958.0	0.12%	1	4958	SPG, DE
23	60129	4634.0	0.22%	2	9268	CSTI-NET, CH
24	20915	4406.0	0.10%	1	4406	HUNDRED-PERCENT-IT, GB
25	10103	4387.8	1.23%	12	52654	HKBN-AS-AP HK Broadband Network Ltd., HK
26	214161	4293.0	0.10%	1	4293	RAFO, BE
27	208812	4104.0	0.10%	1	4104	ONDRYA, US
28	265314	4094.0	0.10%	1	4094	Toolsoft Tecnologia Ltda, BR
29	151810	4071.0	0.29%	3	12213	PHYLAXISINC-AS-AP Phylaxis Korea, KR
30	24474	3979.0	0.19%	2	7958	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
31	269684	3929.0	0.28%	3	11787	LANFIBRA TELECOMUNICACOES - EIRELI, BR
32	153997	3910.0	0.09%	1	3910	PROJECTELIV-AS-AP PROJECT ELIV, KR
33	198090	3753.0	0.09%	1	3753	ASLIBRA, IT
34	22616	3668.9	3.08%	36	132079	ZSCALER-SJC1, US
35	151674	3401.5	0.16%	2	6803	HYU-AS-AP Cheng Yijia, CN
36	204210	3355.7	0.55%	7	23490	ZEUSPACKAGINGLTD, IE
37	136515	3232.0	0.08%	1	3232	DCSI-AS-AP Dasca Cable Services, Inc., PH
38	399916	3188.0	0.07%	1	3188	PACKETSTREAM-NAM, US
39	200915	3044.0	0.21%	3	9132	MRFK, NO
40	139311	2959.0	0.14%	2	5918	STELLAIT-AS-AP Stella IT, KR
41	136873	2679.5	0.50%	8	21436	MEGADATA-AS-ID MEGADATA-ISP, ID
42	13780	2590.1	0.60%	10	25901	MILEHIGHWALRUS-NETWORK, US
43	26445	2569.0	0.06%	1	2569	OWL, US
44	216249	2557.0	0.06%	1	2557	PHOTONSPARK, RO
45	328631	2499.0	0.06%	1	2499	BallitoISP, ZA
46	213124	2455.4	0.52%	9	22099	ZYLINKTECH, US
47	200334	2418.0	0.34%	6	14508	NETOPS-TR netops lab Network Operations Center, TR
48	268487	2393.6	0.28%	5	11968	PRISMA TELECOMUNICACOES LTDA. EPP, BR
49	212815	2272.2	0.27%	5	11361	AS-DYJIX, FR
50	270439	2179.0	0.10%
Total		966410.3	38.40%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	682624	15.09%	214028 -- MAHDI-UMRAN, ID
2	2a06:2c87:e000::/36	144251	3.19%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
3	2a03:eec0:3212::/48	132032	2.92%	22616 -- ZSCALER-SJC1, US
4	2a06:2c80:4000::/36	90272	1.99%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	2a02:1391:5100::/40	31308	0.69%	21351 -- CANALPLUSTELECOM, GP
6	2a0c:b641:302::/47	23446	0.52%	204210 -- ZEUSPACKAGINGLTD, IE
7	240d:c010:165::/48	20685	0.46%	139341 -- ACE-AS-AP ACE, SG
8	2803:5d10::/32	19928	0.44%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
9	2605:9c40::/32	19910	0.44%	23420 -- AS-DAVENPRO, US
10	2806:202::/32	18473	0.41%	28458 -- IENTC S DE RL DE CV, MX
11	2001:6b0:4::/48	18275	0.40%	2832 -- AS-SUNET-TESTBED, SE
12	2a02:b48:83f1::/48	17870	0.39%	39572 -- ADVANCEDHOSTERS-AS, NL
13	2605:de00:bb::/48	15550	0.34%	30083 -- AS-30083-US-VELIA-NET, DE
14	2804:248:100::/40	13672	0.30%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
15	2a14:7583:2a00::/42	13093	0.29%	211281 -- NEOHOST-AS, RO
16	2804:51f8::/32	11948	0.26%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
17	2a02:b48:83f3::/48	11853	0.26%	39572 -- ADVANCEDHOSTERS-AS, NL
18	2804:6850::/32	11785	0.26%	269684 -- LANFIBRA TELECOMUNICACOES - EIRELI, BR
19	2a10:4641::/32	11180	0.25%	212815 -- AS-DYJIX, FR
20	2605:6480::/32	10924	0.24%	92 -- CLARKSON-AS, US
21	2607:74c0:120::/44	10711	0.24%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
22	2001:67c:20fc::/48	10702	0.24%	210564 -- SWANTZTER-AS, SE
23	2607:74c0:100::/44	10573	0.23%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
24	2607:74c0:130::/44	10537	0.23%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
25	2607:74c0:140::/44	10529	0.23%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
26	2607:74c0:110::/44	10297	0.23%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
27	2a0f:6580:104::/48	9693	0.21%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
28	2001:678:20c::/48	9625	0.21%	39409 -- SWG-MYROOTPW, AT
29	2a10:9902:111::/48	9624	0.21%	214493 -- FTSELL, DE
30	2a10:9906:1002::/48	9623	0.21%	39409 -- SWG-MYROOTPW, AT
31	2a10:9906:1001::/48	9623	0.21%	39409 -- SWG-MYROOTPW, AT
32	2a10:9906:3020::/48	9620	0.21%	39409 -- SWG-MYROOTPW, AT
33	2a14:7583:2a40::/42	9223	0.20%	211281 -- NEOHOST-AS, RO
34	2610:a1:1028::/48	8993	0.20%	19905 -- SECURITYSERVICES, US
35	2a14:7580:b000::/36	8954	0.20%	211281 -- NEOHOST-AS, RO
36	2a14:7581:4310::/48	8729	0.19%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
37	2a14:7581:4560::/48	8716	0.19%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
38	2a0f:85c1:3ae::/48	8698	0.19%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
39	2a14:7581:4310::/44	8697	0.19%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
40	2a14:7581:4566::/48	8626	0.19%	215171 -- PT. DETROIT NETWORK INDONESIA, ID
41	2804:40:4000::/34	8446	0.19%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
42	2804:92d4::/32	8123	0.18%	271418 -- freynet telecom, BR 274735 -- MAIKE DOUGLAS MACEDO SEBASTIAO ME, BR
43	2602:f7ee:ff::/48	7824	0.17%	30700 -- OWO-NETWORK, US
44	2c0f:f988::/32	7654	0.17%	37353 -- SEACOM-AS, ZA
45	2a0b:4e07:29::/48	7385	0.16%	211281 -- NEOHOST-AS, RO
46	2600:6c7f:9370::/44	7247	0.16%	19115 -- CHARTER-19115-DC, US
47	2a02:29e0:1::/48	7181	0.16%	49367 -- ASSEFLOW, IT
48	2001:1260:103::/48	6818	0.15%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
49	2605:9cc0:c0e::/48	6804	0.15%	21664 -- AMZN-BYOASN, US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
50	2406:840:e720::/44	6796	0.15%	151674 -- HYU-AS-AP Cheng Yijia, CN
Total		1585150	34.99%

14 Day BGP Update Statistics Profile: 17-September-2025 00:00 - 1-October-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26483635
Number of Prefix Changes:	31012108
Number of Prefix Updates:	26483635
Number of Prefix Withdrawals:	4528473
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.89
Average Prefix Updates per second:	25.64
Peak BGP Update Message Rate per second:	71537	(20:50:23 Thu, 18-Sep-2025)
Peak Prefix Update Rate per second:	71537	(20:50:23 Thu, 18-Sep-2025)
Peak Prefix Withdraw Rate per second:	15868	(21:51:49 Wed, 1-Oct-2025, )
Number of RIB Prefix Updates:	4282004	(0.16 of recv'd updates)
Number of RIB Prefix Withdrawals:	242947	(0.05 of recv'd withdrawals)
Peak RIB Update Rate per second:	65427	(20:50:23 Thu, 18-Sep-2025)
Peak RIB Withdrawal Rate per second:	931	(05:45:16 Mon, 22-Sep-2025)
Seen Prefix Count:	249439
Updated Prefix Count:	249236
Stable Prefix Count:	203
Seen Origin AS Count:	35698
Updated Origin AS Count:	35661
Stable Origin AS Count:	37
Seen Unique Path Count:	180033
Updated Path Count:	140677
Stable Path Count:	39356

Five Minute Average of Per-Second Updated and Withdrawn Prefix Rate

Five Minute Peak of Per-Second Updated and Withdrawn Prefix Rate

Five Minute Average Per-Second Updated Prefix Rate by Update Type

Five Minute Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates