The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 29 November 2025 01:18 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	202256	498366	11.91%	1176	423.78	LAWLIETNET, CN
2	199340	129688	3.10%	4122	31.46	HONG-GUANWAN, HK
3	7552	120587	2.88%	3967	30.40	VIETEL-AS-AP Viettel Group, VN
4	22616	116472	2.78%	37	3147.89	ZSCALER-SJC1, US
5	42375	107767	2.57%	260	414.49	INET-AS, SC
6	16509	105572	2.52%	5502	19.19	AMAZON-02, US
7	214028	101025	2.41%	1	101025.00	MAHDI-UMRAN, ID
8	39891	96749	2.31%	2058	47.01	ALJAWWALSTC-AS, SA
9	40138	73345	1.75%	41	1788.90	MDNET, US
10	48456	72656	1.74%	180	403.64	IPX-AS, AE
11	211894	60682	1.45%	8	7585.25	UNGLEICH-PLACE18, CH
12	267963	54916	1.31%	7	7845.14	HAYAN TELECOM, BR
13	50529	52941	1.26%	126	420.17	FN-AS, AE
14	9287	47101	1.13%	8	5887.62	TIDCC-AS-AP True Internet Data Center Company Limited, TH
15	38266	40472	0.97%	1393	29.05	VIL-AS-AP Vodafone Idea Ltd, IN
16	12041	38096	0.91%	228	167.09	AS-AFILIAS1, US
17	34567	37682	0.90%	95	396.65	NEXT-AS, HK
18	9829	35959	0.86%	841	42.76	BSNL-NIB National Internet Backbone, IN
19	21351	33596	0.80%	17	1976.24	CANALPLUSTELECOM, GP
20	263262	29603	0.71%	21	1409.67	MOV TELECOM LTDA, BR
21	28126	28763	0.69%	14	2054.50	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
22	214732	28752	0.69%	3	9584.00	RATATOSKR RATATOSKR, US
23	11761	28143	0.67%	1	28143.00	KKCLOUD, US
24	28598	27147	0.65%	14	1939.07	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
25	267943	26589	0.64%	16	1661.81	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
26	199553	25832	0.62%	6	4305.33	UNGLEICH-PLACE5, CH
27	56167	25452	0.61%	648	39.28	PTML-PK Plot No 181-186 Street, PK
28	61164	24307	0.58%	57	426.44	LIR-AS, AE
29	262448	23367	0.56%	20	1168.35	DIALHOST INTERNET EIRELI, BR
30	205651	22079	0.53%	1	22079.00	CATOFES, CN
31	203664	22030	0.53%	1	22030.00	LANXING-AS, CN
32	36351	21300	0.51%	72	295.83	SOFTLAYER, US
33	23420	21007	0.50%	1	21007.00	AS-DAVENPRO, US
34	213092	20223	0.48%	12	1685.25	MARBLEIS, GB
35	32098	20212	0.48%	1657	12.20	TRANSTELCO-INC, US
36	39572	20118	0.48%	33	609.64	ADVANCEDHOSTERS-AS, NL
37	17072	19248	0.46%	1405	13.70	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
38	10103	18819	0.45%	12	1568.25	HKBN-AS-AP HK Broadband Network Ltd., HK
39	204508	18605	0.44%	18	1033.61	MLGT, IT
40	272053	18558	0.44%	1	18558.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
41	13335	17675	0.42%	2938	6.02	CLOUDFLARENET, US
42	204210	16720	0.40%	4	4180.00	ZEUSPACKAGINGLTD, IE
43	21664	16327	0.39%	39	418.64	AMZN-BYOASN, US
44	61573	15859	0.38%	13	1219.92	Ip Telecom, BR
45	92	14862	0.36%	1	14862.00	CLARKSON-AS, US
46	13780	14383	0.34%	10	1438.30	MILEHIGHWALRUS-NETWORK, US
47	36183	14202	0.34%	1643	8.64	AKAMAI-AS, US
48	14593	13898	0.33%	734	18.93	SPACEX-STARLINK, US
49	209898	13713	0.33%	2	6856.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
50	265500	13036	0.31%	10	1303.60	ALMEIRIM TELECOM LTDA - ME, BR
Total		2464501	58.88%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	101025.0	2.41%	1	101025	MAHDI-UMRAN, ID
2	11761	28143.0	0.67%	1	28143	KKCLOUD, US
3	205651	22079.0	0.53%	1	22079	CATOFES, CN
4	203664	22030.0	0.53%	1	22030	LANXING-AS, CN
5	23420	21007.0	0.50%	1	21007	AS-DAVENPRO, US
6	272053	18558.0	0.44%	1	18558	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	92	14862.0	0.36%	1	14862	CLARKSON-AS, US
8	210564	11165.0	0.27%	1	11165	SWANTZTER-AS, SE
9	214732	9584.0	0.69%	3	28752	RATATOSKR RATATOSKR, US
10	328631	9561.0	0.23%	1	9561	BallitoISP, ZA
11	267963	7845.1	1.31%	7	54916	HAYAN TELECOM, BR
12	211894	7585.2	1.45%	8	60682	UNGLEICH-PLACE18, CH
13	271944	6946.0	0.17%	1	6946	AUDIBEL TELECOMUNICACIONES S.A., AR
14	209898	6856.5	0.33%	2	13713	UNGLEICH-UNGLEICH-UPSTREAM, CH
15	199678	6588.0	0.16%	1	6588	AS-6RW-, RU
16	268088	6496.0	0.16%	1	6496	PAULO ROBERTO SOARES DE CARVALHO, BR
17	41701	5964.0	0.14%	1	5964	CAP-FIN-AS, FI
18	9287	5887.6	1.13%	8	47101	TIDCC-AS-AP True Internet Data Center Company Limited, TH
19	141145	5799.0	0.14%	1	5799	GIGANET-AS-ID PT Giga Digital Nusantara, ID
20	44297	5708.0	0.14%	1	5708	ICODIA ICODIA NETWORK INTEGRITY, FR
21	30362	5248.0	0.13%	1	5248	HPT-ASN, US
22	43247	5193.0	0.12%	1	5193	YOOMONEY-AS, RU
23	20915	4929.0	0.12%	1	4929	HUNDRED-PERCENT-IT, GB
24	269864	4770.0	0.11%	1	4770	COMUNICACIONES METROPOLITANAS, INC, PA
25	262901	4631.5	0.22%	2	9263	Vcnet Provedora de Internet Ltda., BR
26	265314	4593.0	0.11%	1	4593	Toolsoft Tecnologia Ltda, BR
27	199553	4305.3	0.62%	6	25832	UNGLEICH-PLACE5, CH
28	52191	4293.0	0.10%	1	4293	LOCALKA-NET-AS , UA
29	204210	4180.0	0.40%	4	16720	ZEUSPACKAGINGLTD, IE
30	211645	4009.0	0.10%	1	4009	SPG, DE
31	269441	3678.0	0.26%	3	11034	MUNDO FIBRA, BR
32	24474	3615.5	0.17%	2	7231	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
33	28458	3592.0	0.17%	2	7184	IENTC S DE RL DE CV, MX
34	266919	3443.0	0.08%	1	3443	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
35	215280	3339.0	0.24%	3	10017	OCEAN-CA OCEAN NETWORKS, US
36	22616	3147.9	2.78%	37	116472	ZSCALER-SJC1, US
37	138535	3033.0	0.22%	3	9099	FURDEVS-AS-AP Wu Qi, CN
38	266136	2918.7	0.21%	3	8756	R.A INTERNET, BR
39	199327	2642.5	0.25%	4	10570	OBEONE, FR
40	199235	2631.0	0.06%	1	2631	MIKROHALO-HU-AS, HU
41	210796	2480.5	0.12%	2	4961	BJOERN-SCHLEYER Bjoern Schleyer, DE
42	214366	2471.0	0.06%	1	2471	PRIVACYFIRST, AE
43	30083	2439.0	0.17%	3	7317	AS-30083-US-VELIA-NET, DE
44	199689	2400.0	0.06%	1	2400	JOSHA-PRIOR Netralex BYOIP, NL
45	269398	2306.3	0.17%	3	6919	SOUZA E FRANCA LTDA, BR
46	266282	2197.0	0.05%	1	2197	V-LINK FIBRA - PROVEDOR DE INTERNET, BR
47	272345	2166.0	0.05%	1	2166	Isimac Internet S.A. de C.V., MX
48	28126	2054.5	0.69%	14	28763	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
49	212173	1983.0	0.05%	1	1983	XP, SA
50	21351	1976.2	0.80%
Total		424355.3	20.45%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a03:eec0:3212::/48	116412	2.59%	22616 -- ZSCALER-SJC1, US
2	2a0f:85c1:8b9::/48	101025	2.25%	214028 -- MAHDI-UMRAN, ID
3	2a02:1391:5100::/40	33573	0.75%	21351 -- CANALPLUSTELECOM, GP
4	2a14:7c0:5300::/48	28745	0.64%	214732 -- RATATOSKR RATATOSKR, US
5	2602:f506::/40	28143	0.63%	11761 -- KKCLOUD, US
6	2804:248:100::/40	27133	0.60%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2a0d:2904::/44	22079	0.49%	205651 -- CATOFES, CN
8	2a0e:aa07:e044::/48	22030	0.49%	203664 -- LANXING-AS, CN
9	2605:9c40::/32	21007	0.47%	23420 -- AS-DAVENPRO, US
10	2803:5d10::/32	18558	0.41%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
11	2a0c:b641:302::/47	16709	0.37%	204210 -- ZEUSPACKAGINGLTD, IE
12	2605:6480::/32	14862	0.33%	92 -- CLARKSON-AS, US
13	2a0a:e5c0:76::/48	13710	0.31%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2a14:3f87:9800::/38	12262	0.27%	64289 -- MACARNE, US
15	2001:67c:20fc::/48	11165	0.25%	210564 -- SWANTZTER-AS, SE
16	2a02:b48:83f1::/48	10155	0.23%	39572 -- ADVANCEDHOSTERS-AS, NL
17	2a02:b48:83f3::/48	9903	0.22%	39572 -- ADVANCEDHOSTERS-AS, NL
18	2c0f:e8a8::/32	9561	0.21%	328631 -- BallitoISP, ZA
19	2404:3280:a::/48	9465	0.21%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
20	2001:fb0:1002::/48	9425	0.21%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
21	2404:3280::/32	9406	0.21%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
22	2001:fb0:1000::/48	9403	0.21%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
23	2001:fb0:1001::/48	9399	0.21%	9287 -- TIDCC-AS-AP True Internet Data Center Company Limited, TH
24	2406:840:e620::/48	9096	0.20%	138535 -- FURDEVS-AS-AP Wu Qi, CN
25	240d:c010:165::/48	8571	0.19%	139341 -- ACE-AS-AP ACE, SG
26	2a0a:e5c1:517::/48	8364	0.19%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:e5c0:45::/48	8345	0.19%	199553 -- UNGLEICH-PLACE5, CH
28	2a0a:e5c0:16::/48	8344	0.19%	199553 -- UNGLEICH-PLACE5, CH
29	2a0a:5480:4::/48	8297	0.18%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:1::/48	8297	0.18%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480::/48	8296	0.18%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:3::/48	8288	0.18%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:1ac::/48	8288	0.18%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:5::/48	8284	0.18%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:2::/48	8282	0.18%	211894 -- UNGLEICH-PLACE18, CH
36	2604:bc80:8000::/33	8157	0.18%	29066 -- VELIANET-AS velia.net Internetdienste GmbH, DE
37	2804:55e4::/34	7924	0.18%	267963 -- HAYAN TELECOM, BR
38	2804:55e4:4000::/34	7875	0.18%	267963 -- HAYAN TELECOM, BR
39	2804:55e4::/32	7873	0.18%	267963 -- HAYAN TELECOM, BR
40	2610:a1:1028::/48	7868	0.18%	19905 -- SECURITYSERVICES, US
41	2600:6c7f:9370::/44	7867	0.18%	19115 -- CHARTER-19115-DC, US
42	2804:55e4:8000::/33	7863	0.18%	267963 -- HAYAN TELECOM, BR
43	2804:55e4:8000::/34	7861	0.18%	267963 -- HAYAN TELECOM, BR
44	2804:55e4:c000::/34	7829	0.17%	267963 -- HAYAN TELECOM, BR
45	2804:55e4::/33	7691	0.17%	267963 -- HAYAN TELECOM, BR
46	2a13:aac4:1000::/36	7492	0.17%	204508 -- MLGT, IT
47	2605:de00:bb::/48	7315	0.16%	30083 -- AS-30083-US-VELIA-NET, DE
48	2806:202::/32	7182	0.16%	28458 -- IENTC S DE RL DE CV, MX
49	2803:6610::/32	6946	0.15%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
50	2a03:90c0:7a0::/44	6879	0.15%	59437 -- NORTHERNDATA, DE
Total		779504	17.35%

14 Day BGP Update Statistics Profile: 14-November-2025 00:00 - 28-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	25338526
Number of Prefix Changes:	29875585
Number of Prefix Updates:	25338526
Number of Prefix Withdrawals:	4537059
Average Prefixes per BGP Update:	1.18
Average BGP Update Messages per second:	20.95
Average Prefix Updates per second:	24.70
Peak BGP Update Message Rate per second:	111149	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	111149	(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:	4185378	(0.17 of recv'd updates)
Number of RIB Prefix Withdrawals:	304603	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	70079	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	423	(04:51:11 Mon, 24-Nov-2025)
Seen Prefix Count:	252101
Updated Prefix Count:	245760
Stable Prefix Count:	6341
Seen Origin AS Count:	35953
Updated Origin AS Count:	35788
Stable Origin AS Count:	165
Seen Unique Path Count:	190561
Updated Path Count:	169072
Stable Path Count:	21489

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