The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 26 November 2025 01:19 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	202256	477042	9.82%	1174	406.34	LAWLIETNET, CN
2	214028	299900	6.17%	1	299900.00	MAHDI-UMRAN, ID
3	7552	249524	5.14%	3958	63.04	VIETEL-AS-AP Viettel Group, VN
4	199340	128168	2.64%	4136	30.99	HONG-GUANWAN, HK
5	42375	122454	2.52%	260	470.98	INET-AS, SC
6	22616	121367	2.50%	37	3280.19	ZSCALER-SJC1, US
7	16509	105586	2.17%	5507	19.17	AMAZON-02, US
8	32098	94986	1.96%	1646	57.71	TRANSTELCO-INC, US
9	48456	86987	1.79%	180	483.26	IPX-AS, AE
10	40138	72422	1.49%	41	1766.39	MDNET, US
11	39891	70630	1.45%	2058	34.32	ALJAWWALSTC-AS, SA
12	267963	63532	1.31%	7	9076.00	HAYAN TELECOM, BR
13	211894	61357	1.26%	8	7669.62	UNGLEICH-PLACE18, CH
14	50529	59529	1.23%	126	472.45	FN-AS, AE
15	34567	56790	1.17%	108	525.83	NEXT-AS, HK
16	38266	49032	1.01%	1393	35.20	VIL-AS-AP Vodafone Idea Ltd, IN
17	23736	47470	0.98%	47	1010.00	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
18	12041	41957	0.86%	228	184.02	AS-AFILIAS1, US
19	263262	36206	0.75%	21	1724.10	MOV TELECOM LTDA, BR
20	21351	32992	0.68%	17	1940.71	CANALPLUSTELECOM, GP
21	56167	29988	0.62%	648	46.28	PTML-PK Plot No 181-186 Street, PK
22	11761	29164	0.60%	1	29164.00	KKCLOUD, US
23	61164	28318	0.58%	57	496.81	LIR-AS, AE
24	28126	28166	0.58%	14	2011.86	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
25	36351	27592	0.57%	72	383.22	SOFTLAYER, US
26	39572	27364	0.56%	33	829.21	ADVANCEDHOSTERS-AS, NL
27	28598	27052	0.56%	14	1932.29	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
28	9829	25952	0.53%	762	34.06	BSNL-NIB National Internet Backbone, IN
29	199553	25678	0.53%	6	4279.67	UNGLEICH-PLACE5, CH
30	17072	25556	0.53%	1403	18.22	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
31	204508	23949	0.49%	18	1330.50	MLGT, IT
32	262448	22941	0.47%	20	1147.05	DIALHOST INTERNET EIRELI, BR
33	213092	22634	0.47%	12	1886.17	MARBLEIS, GB
34	23420	20762	0.43%	1	20762.00	AS-DAVENPRO, US
35	265500	20674	0.43%	10	2067.40	ALMEIRIM TELECOM LTDA - ME, BR
36	36183	19772	0.41%	1653	11.96	AKAMAI-AS, US
37	214732	19738	0.41%	3	6579.33	RATATOSKR RATATOSKR, US
38	13780	19455	0.40%	10	1945.50	MILEHIGHWALRUS-NETWORK, US
39	267943	19100	0.39%	16	1193.75	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
40	14593	18924	0.39%	760	24.90	SPACEX-STARLINK, US
41	272053	18625	0.38%	1	18625.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
42	28548	18287	0.38%	193	94.75	Cablevision, S.A. de C.V., MX
43	203664	18236	0.38%	1	18236.00	LANXING-AS, CN
44	13335	17818	0.37%	2960	6.02	CLOUDFLARENET, US
45	7713	16425	0.34%	703	23.36	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
46	61573	15561	0.32%	13	1197.00	Ip Telecom, BR
47	139341	15469	0.32%	174	88.90	ACE-AS-AP ACE, SG
48	21664	15399	0.32%	39	394.85	AMZN-BYOASN, US
49	64289	15114	0.31%	12	1259.50	MACARNE, US
50	92	15114	0.31%	1	15114.00	CLARKSON-AS, US
Total		2926758	60.28%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	299900.0	6.17%	1	299900	MAHDI-UMRAN, ID
2	11761	29164.0	0.60%	1	29164	KKCLOUD, US
3	23420	20762.0	0.43%	1	20762	AS-DAVENPRO, US
4	272053	18625.0	0.38%	1	18625	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	203664	18236.0	0.38%	1	18236	LANXING-AS, CN
6	92	15114.0	0.31%	1	15114	CLARKSON-AS, US
7	210564	11107.0	0.23%	1	11107	SWANTZTER-AS, SE
8	328631	9101.0	0.19%	1	9101	BallitoISP, ZA
9	267963	9076.0	1.31%	7	63532	HAYAN TELECOM, BR
10	211894	7669.6	1.26%	8	61357	UNGLEICH-PLACE18, CH
11	271944	6922.0	0.14%	1	6922	AUDIBEL TELECOMUNICACIONES S.A., AR
12	268088	6884.0	0.14%	1	6884	PAULO ROBERTO SOARES DE CARVALHO, BR
13	209898	6878.0	0.28%	2	13756	UNGLEICH-UNGLEICH-UPSTREAM, CH
14	214732	6579.3	0.41%	3	19738	RATATOSKR RATATOSKR, US
15	199678	6552.0	0.13%	1	6552	AS-6RW-, RU
16	41701	5881.0	0.12%	1	5881	CAP-FIN-AS, FI
17	141145	5727.0	0.12%	1	5727	GIGANET-AS-ID PT Giga Digital Nusantara, ID
18	28458	5543.5	0.23%	2	11087	IENTC S DE RL DE CV, MX
19	269864	5087.0	0.10%	1	5087	COMUNICACIONES METROPOLITANAS, INC, PA
20	30362	4850.0	0.10%	1	4850	HPT-ASN, US
21	266919	4789.0	0.10%	1	4789	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
22	43247	4720.0	0.10%	1	4720	YOOMONEY-AS, RU
23	20915	4697.0	0.10%	1	4697	HUNDRED-PERCENT-IT, GB
24	30083	4360.3	0.27%	3	13081	AS-30083-US-VELIA-NET, DE
25	211645	4328.0	0.09%	1	4328	SPG, DE
26	199553	4279.7	0.53%	6	25678	UNGLEICH-PLACE5, CH
27	262901	4028.0	0.17%	2	8056	Vcnet Provedora de Internet Ltda., BR
28	44297	3931.0	0.08%	1	3931	ICODIA ICODIA NETWORK INTEGRITY, FR
29	271149	3806.0	0.24%	3	11418	K. R. VIOTO, BR
30	269441	3746.0	0.23%	3	11238	MUNDO FIBRA, BR
31	24474	3596.0	0.15%	2	7192	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
32	52191	3287.0	0.07%	1	3287	LOCALKA-NET-AS , UA
33	22616	3280.2	2.50%	37	121367	ZSCALER-SJC1, US
34	398852	3255.0	0.07%	1	3255	NEXTOR-TELECOM, US
35	61625	3181.0	0.07%	1	3181
36	204210	3118.8	0.26%	4	12475	ZEUSPACKAGINGLTD, IE
37	266136	2991.3	0.18%	3	8974	R.A INTERNET, BR
38	264525	2906.2	0.30%	5	14531	Coelho Tecnologia, BR
39	138535	2884.0	0.18%	3	8652	FURDEVS-AS-AP Wu Qi, CN
40	198090	2808.0	0.06%	1	2808	ASLIBRA, IT
41	265314	2633.0	0.05%	1	2633	Toolsoft Tecnologia Ltda, BR
42	199235	2610.0	0.05%	1	2610	MIKROHALO-HU-AS, HU
43	273258	2502.0	0.05%	1	2502	TRANSNAGAR PACIFICO SUR SA DE CV, MX
44	265613	2486.0	0.05%	1	2486	TRACERED SA DE CV, MX
45	270162	2475.0	0.10%	2	4950	CESAR FLORES BARBOSA, MX
46	272339	2462.0	0.05%	1	2462	GRUPO CONVERGENTE ARZOLA, MX
47	214366	2452.0	0.05%	1	2452	PRIVACYFIRST, AE
48	269398	2448.3	0.15%	3	7345	SOUZA E FRANCA LTDA, BR
49	199689	2429.0	0.05%	1	2429	JOSHA-PRIOR Netralex BYOIP, NL
50	273265	2345.0	0.05%
Total		598493.2	19.43%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	299900	5.81%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	121083	2.35%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	32967	0.64%	21351 -- CANALPLUSTELECOM, GP
4	2602:f506::/40	29164	0.56%	11761 -- KKCLOUD, US
5	2804:248:100::/40	26969	0.52%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	2605:9c40::/32	20762	0.40%	23420 -- AS-DAVENPRO, US
7	2a14:7c0:5300::/48	19718	0.38%	214732 -- RATATOSKR RATATOSKR, US
8	2a02:b48:83f3::/48	19713	0.38%	39572 -- ADVANCEDHOSTERS-AS, NL
9	2803:5d10::/32	18625	0.36%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
10	2a0e:aa07:e044::/48	18236	0.35%	203664 -- LANXING-AS, CN
11	2605:6480::/32	15114	0.29%	92 -- CLARKSON-AS, US
12	2804:20fc:2000::/36	14485	0.28%	264525 -- Coelho Tecnologia, BR
13	2a14:3f87:9800::/38	13890	0.27%	64289 -- MACARNE, US
14	2a0a:e5c0:76::/48	13755	0.27%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
15	2605:de00:bb::/48	13080	0.25%	30083 -- AS-30083-US-VELIA-NET, DE
16	240d:c010:165::/48	12877	0.25%	139341 -- ACE-AS-AP ACE, SG
17	2a0c:b641:302::/47	12464	0.24%	204210 -- ZEUSPACKAGINGLTD, IE
18	2001:67c:20fc::/48	11107	0.22%	210564 -- SWANTZTER-AS, SE
19	2806:202::/32	11085	0.21%	28458 -- IENTC S DE RL DE CV, MX
20	2804:55e4::/34	9160	0.18%	267963 -- HAYAN TELECOM, BR
21	2804:55e4:4000::/34	9122	0.18%	267963 -- HAYAN TELECOM, BR
22	2c0f:e8a8::/32	9101	0.18%	328631 -- BallitoISP, ZA
23	2804:55e4::/32	9089	0.18%	267963 -- HAYAN TELECOM, BR
24	2804:55e4:8000::/33	9081	0.18%	267963 -- HAYAN TELECOM, BR
25	2804:55e4:8000::/34	9080	0.18%	267963 -- HAYAN TELECOM, BR
26	2804:55e4:c000::/34	9068	0.18%	267963 -- HAYAN TELECOM, BR
27	2804:55e4::/33	8932	0.17%	267963 -- HAYAN TELECOM, BR
28	2406:840:e620::/48	8649	0.17%	138535 -- FURDEVS-AS-AP Wu Qi, CN
29	2610:a1:1028::/48	8538	0.17%	19905 -- SECURITYSERVICES, US
30	2a0a:e5c1:517::/48	8421	0.16%	199553 -- UNGLEICH-PLACE5, CH
31	2a0a:e5c0:45::/48	8405	0.16%	199553 -- UNGLEICH-PLACE5, CH
32	2a0a:e5c0:16::/48	8405	0.16%	199553 -- UNGLEICH-PLACE5, CH
33	2a0a:5480:4::/48	8320	0.16%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:1::/48	8320	0.16%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480::/48	8318	0.16%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1ac::/48	8316	0.16%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:3::/48	8315	0.16%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:5::/48	8314	0.16%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:2::/48	8312	0.16%	211894 -- UNGLEICH-PLACE18, CH
40	2600:6c7f:9370::/44	7615	0.15%	19115 -- CHARTER-19115-DC, US
41	2a02:b48:83f1::/48	7544	0.15%	39572 -- ADVANCEDHOSTERS-AS, NL
42	2804:7704:8000::/33	7454	0.14%	271149 -- K. R. VIOTO, BR
43	2a03:90c0:7a0::/44	6956	0.13%	59437 -- NORTHERNDATA, DE
44	2803:6610::/32	6922	0.13%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
45	2400:58a0:1003::/48	6895	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
46	2804:57d0::/32	6884	0.13%	268088 -- PAULO ROBERTO SOARES DE CARVALHO, BR
47	2804:3c7c::/32	6719	0.13%	266215 -- ServTEC Telecom, BR
48	2a01:fb05:4000::/36	6629	0.13%	216096 -- SECUREPEAK, AD
49	2001:67c:12d4::/48	6552	0.13%	199678 -- AS-6RW-, RU
50	2605:9cc0:c06::/48	6346	0.12%	16509 -- AMAZON-02, US 21664 -- AMZN-BYOASN, US
Total		974776	18.87%

14 Day BGP Update Statistics Profile: 11-November-2025 00:00 - 25-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26816986
Number of Prefix Changes:	31391488
Number of Prefix Updates:	26816986
Number of Prefix Withdrawals:	4574502
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	22.17
Average Prefix Updates per second:	25.95
Peak BGP Update Message Rate per second:	75543	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	75543	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Withdraw Rate per second:	3301	(21:30:29 Tue, 25-Nov-2025, )
Number of RIB Prefix Updates:	4858096	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	304765	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	47574	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	252216
Updated Prefix Count:	245737
Stable Prefix Count:	6479
Seen Origin AS Count:	35936
Updated Origin AS Count:	35765
Stable Origin AS Count:	171
Seen Unique Path Count:	194135
Updated Path Count:	164788
Stable Path Count:	29347

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