The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 22 November 2025 01:18 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	572730	10.70%	1	572730.00	MAHDI-UMRAN, ID
2	202256	462672	8.65%	1173	394.43	LAWLIETNET, CN
3	7552	322885	6.03%	3958	81.58	VIETEL-AS-AP Viettel Group, VN
4	39891	158653	2.97%	2058	77.09	ALJAWWALSTC-AS, SA
5	199340	137171	2.56%	4177	32.84	HONG-GUANWAN, HK
6	22616	131674	2.46%	37	3558.76	ZSCALER-SJC1, US
7	42375	124940	2.34%	260	480.54	INET-AS, SC
8	16509	107103	2.00%	5516	19.42	AMAZON-02, US
9	48456	88084	1.65%	180	489.36	IPX-AS, AE
10	40138	72592	1.36%	41	1770.54	MDNET, US
11	50529	61898	1.16%	126	491.25	FN-AS, AE
12	211894	60938	1.14%	8	7617.25	UNGLEICH-PLACE18, CH
13	34567	55160	1.03%	114	483.86	NEXT-AS, HK
14	23736	47675	0.89%	47	1014.36	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
15	267963	47619	0.89%	7	6802.71	HAYAN TELECOM, BR
16	10103	44203	0.83%	12	3683.58	HKBN-AS-AP HK Broadband Network Ltd., HK
17	204508	43231	0.81%	18	2401.72	MLGT, IT
18	36351	42948	0.80%	71	604.90	SOFTLAYER, US
19	12041	42310	0.79%	228	185.57	AS-AFILIAS1, US
20	32098	41664	0.78%	1638	25.44	TRANSTELCO-INC, US
21	21351	32134	0.60%	17	1890.24	CANALPLUSTELECOM, GP
22	263262	30849	0.58%	21	1469.00	MOV TELECOM LTDA, BR
23	17072	30669	0.57%	1404	21.84	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
24	267943	29768	0.56%	16	1860.50	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
25	38266	29351	0.55%	1390	21.12	VIL-AS-AP Vodafone Idea Ltd, IN
26	265500	28700	0.54%	10	2870.00	ALMEIRIM TELECOM LTDA - ME, BR
27	61164	27798	0.52%	57	487.68	LIR-AS, AE
28	213092	26582	0.50%	12	2215.17	MARBLEIS, GB
29	199553	25600	0.48%	6	4266.67	UNGLEICH-PLACE5, CH
30	56167	25452	0.48%	648	39.28	PTML-PK Plot No 181-186 Street, PK
31	28598	25301	0.47%	14	1807.21	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
32	13780	23066	0.43%	10	2306.60	MILEHIGHWALRUS-NETWORK, US
33	262448	22715	0.42%	20	1135.75	DIALHOST INTERNET EIRELI, BR
34	36183	22334	0.42%	1640	13.62	AKAMAI-AS, US
35	28126	21965	0.41%	9	2440.56	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
36	139341	21958	0.41%	171	128.41	ACE-AS-AP ACE, SG
37	30083	20740	0.39%	3	6913.33	AS-30083-US-VELIA-NET, DE
38	23420	20427	0.38%	1	20427.00	AS-DAVENPRO, US
39	13335	19366	0.36%	3000	6.46	CLOUDFLARENET, US
40	14593	19189	0.36%	714	26.88	SPACEX-STARLINK, US
41	64289	19143	0.36%	12	1595.25	MACARNE, US
42	271149	19052	0.36%	3	6350.67	K. R. VIOTO, BR
43	264525	18042	0.34%	5	3608.40	Coelho Tecnologia, BR
44	43350	17524	0.33%	24	730.17	NFORCE, NL
45	136873	16815	0.31%	9	1868.33	MEGADATA-AS-ID MEGADATA-ISP, ID
46	272053	16672	0.31%	1	16672.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
47	28458	16553	0.31%	2	8276.50	IENTC S DE RL DE CV, MX
48	55960	15695	0.29%	34	461.62	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
49	21664	15460	0.29%	39	396.41	AMZN-BYOASN, US
50	9829	15191	0.28%	762	19.94	BSNL-NIB National Internet Backbone, IN
Total		3340261	62.45%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	572730.0	10.70%	1	572730	MAHDI-UMRAN, ID
2	23420	20427.0	0.38%	1	20427	AS-DAVENPRO, US
3	272053	16672.0	0.31%	1	16672	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	92	14421.0	0.27%	1	14421	CLARKSON-AS, US
5	203664	11851.0	0.22%	1	11851	LANXING-AS, CN
6	210564	11161.0	0.21%	1	11161	SWANTZTER-AS, SE
7	264525	9021.0	0.34%	5	18042	Coelho Tecnologia, BR
8	328631	8819.0	0.16%	1	8819	BallitoISP, ZA
9	11761	8300.0	0.16%	1	8300	KKCLOUD, US
10	28458	8276.5	0.31%	2	16553	IENTC S DE RL DE CV, MX
11	211894	7617.2	1.14%	8	60938	UNGLEICH-PLACE18, CH
12	30083	6913.3	0.39%	3	20740	AS-30083-US-VELIA-NET, DE
13	267963	6802.7	0.89%	7	47619	HAYAN TELECOM, BR
14	209898	6746.0	0.25%	2	13492	UNGLEICH-UNGLEICH-UPSTREAM, CH
15	199678	6479.0	0.12%	1	6479	AS-6RW-, RU
16	271149	6350.7	0.36%	3	19052	K. R. VIOTO, BR
17	61625	6169.0	0.12%	1	6169
18	271944	6001.0	0.11%	1	6001	AUDIBEL TELECOMUNICACIONES S.A., AR
19	41701	5745.0	0.11%	1	5745	CAP-FIN-AS, FI
20	266919	4789.0	0.09%	1	4789	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
21	30362	4624.0	0.09%	1	4624	HPT-ASN, US
22	268088	4503.0	0.08%	1	4503	PAULO ROBERTO SOARES DE CARVALHO, BR
23	265314	4270.0	0.08%	1	4270	Toolsoft Tecnologia Ltda, BR
24	199553	4266.7	0.48%	6	25600	UNGLEICH-PLACE5, CH
25	211645	4258.0	0.08%	1	4258	SPG, DE
26	61845	4218.0	0.24%	3	12654	GRD TELECOMUNICACOES LTDA, BR
27	20915	4134.0	0.08%	1	4134	HUNDRED-PERCENT-IT, GB
28	198090	3795.0	0.07%	1	3795	ASLIBRA, IT
29	10103	3683.6	0.83%	12	44203	HKBN-AS-AP HK Broadband Network Ltd., HK
30	262901	3633.0	0.14%	2	7266	Vcnet Provedora de Internet Ltda., BR
31	22616	3558.8	2.46%	37	131674	ZSCALER-SJC1, US
32	24474	3558.0	0.13%	2	7116	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
33	149500	3351.8	0.25%	4	13407	SR-AS-AP Shane Renshaw, HK
34	265500	2870.0	0.54%	10	28700	ALMEIRIM TELECOM LTDA - ME, BR
35	138535	2837.0	0.16%	3	8511	FURDEVS-AS-AP Wu Qi, CN
36	214498	2698.0	0.05%	1	2698	MCLARENAPPLIED, GB
37	199235	2639.0	0.05%	1	2639	MIKROHALO-HU-AS, HU
38	199689	2611.0	0.05%	1	2611	JOSHA-PRIOR Netralex BYOIP, NL
39	266136	2587.3	0.15%	3	7762	R.A INTERNET, BR
40	214366	2583.0	0.05%	1	2583	PRIVACYFIRST, AE
41	43247	2548.0	0.05%	1	2548	YOOMONEY-AS, RU
42	28126	2440.6	0.41%	9	21965	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
43	269441	2426.3	0.14%	3	7279	MUNDO FIBRA, BR
44	204508	2401.7	0.81%	18	43231	MLGT, IT
45	214732	2339.7	0.13%	3	7019	RATATOSKR RATATOSKR, US
46	13780	2306.6	0.43%	10	23066	MILEHIGHWALRUS-NETWORK, US
47	213092	2215.2	0.50%	12	26582	MARBLEIS, GB
48	271457	2090.5	0.08%	2	4181	VOLTSNET PROVEDOR COMERCIO E SERVICO LTDA ME ME, BR
49	141145	2078.0	0.04%	1	2078	GIGANET-AS-ID PT Giga Digital Nusantara, ID
50	272685	2036.0	0.04%
Total		838853.2	25.33%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	572730	10.15%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	131293	2.33%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	32110	0.57%	21351 -- CANALPLUSTELECOM, GP
4	2804:248:100::/40	25220	0.45%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2605:de00:bb::/48	20738	0.37%	30083 -- AS-30083-US-VELIA-NET, DE
6	2605:9c40::/32	20427	0.36%	23420 -- AS-DAVENPRO, US
7	240d:c010:165::/48	19451	0.34%	139341 -- ACE-AS-AP ACE, SG
8	2804:20fc:2000::/36	18039	0.32%	264525 -- Coelho Tecnologia, BR
9	2a14:3f87:9800::/38	16931	0.30%	64289 -- MACARNE, US
10	2803:5d10::/32	16672	0.30%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
11	2806:202::/32	16551	0.29%	28458 -- IENTC S DE RL DE CV, MX
12	2605:6480::/32	14421	0.26%	92 -- CLARKSON-AS, US
13	2a0a:e5c0:76::/48	13490	0.24%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2a0e:aa07:e044::/48	11851	0.21%	203664 -- LANXING-AS, CN
15	2001:67c:20fc::/48	11162	0.20%	210564 -- SWANTZTER-AS, SE
16	2804:7704:8000::/33	10458	0.19%	271149 -- K. R. VIOTO, BR
17	2607:74c0:100::/44	10234	0.18%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
18	2607:74c0:140::/44	10233	0.18%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
19	2607:74c0:120::/44	10230	0.18%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
20	2607:74c0:110::/44	10105	0.18%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
21	2610:a1:1028::/48	10042	0.18%	19905 -- SECURITYSERVICES, US
22	2a02:b48:83f3::/48	9946	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
23	2a05:4140:304::/48	9609	0.17%	204508 -- MLGT, IT
24	2a05:4140:380::/42	9533	0.17%	204508 -- MLGT, IT
25	2c0f:e8a8::/32	8820	0.16%	328631 -- BallitoISP, ZA
26	2804:7704::/33	8531	0.15%	271149 -- K. R. VIOTO, BR
27	2406:840:e620::/48	8508	0.15%	138535 -- FURDEVS-AS-AP Wu Qi, CN
28	2a0a:e5c1:517::/48	8340	0.15%	199553 -- UNGLEICH-PLACE5, CH
29	2a05:4140:333::/48	8331	0.15%	204508 -- MLGT, IT
30	2a0a:e5c0:45::/48	8324	0.15%	199553 -- UNGLEICH-PLACE5, CH
31	2a0a:e5c0:16::/48	8324	0.15%	199553 -- UNGLEICH-PLACE5, CH
32	2602:f506::/40	8300	0.15%	11761 -- KKCLOUD, US
33	2a0a:5480:1::/48	8298	0.15%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480:4::/48	8298	0.15%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480::/48	8297	0.15%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:3::/48	8295	0.15%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:1ac::/48	8291	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:5::/48	8287	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:2::/48	8286	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a05:4140:316::/48	8281	0.15%	204508 -- MLGT, IT
41	2a03:90c0:7a0::/44	8115	0.14%	59437 -- NORTHERNDATA, DE
42	2a01:fb05:4000::/36	7782	0.14%	216096 -- SECUREPEAK, AD
43	2600:6c7f:9370::/44	7567	0.13%	19115 -- CHARTER-19115-DC, US
44	2a13:aac4:1000::/36	7460	0.13%	204508 -- MLGT, IT
45	2a07:54c1:2202::/48	7201	0.13%	216056 -- XAVEN-NETWORK, CN
46	2400:58a0:1003::/48	7110	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
47	2a14:7c0:5300::/48	6999	0.12%	214732 -- RATATOSKR RATATOSKR, US
48	2804:1a34:8000::/33	6929	0.12%	61845 -- GRD TELECOMUNICACOES LTDA, BR
49	2804:55e4::/34	6846	0.12%	267963 -- HAYAN TELECOM, BR
50	2804:55e4:4000::/34	6841	0.12%	267963 -- HAYAN TELECOM, BR
Total		1238137	21.99%

14 Day BGP Update Statistics Profile: 7-November-2025 00:00 - 21-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26120228
Number of Prefix Changes:	30596164
Number of Prefix Updates:	26120228
Number of Prefix Withdrawals:	4475936
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.59
Average Prefix Updates per second:	25.29
Peak BGP Update Message Rate per second:	65542	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	65542	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Withdraw Rate per second:	2051	(13:50:23 Wed, 12-Nov-2025, )
Number of RIB Prefix Updates:	5350469	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	291687	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	39047	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	249354
Updated Prefix Count:	241442
Stable Prefix Count:	7912
Seen Origin AS Count:	35907
Updated Origin AS Count:	35704
Stable Origin AS Count:	203
Seen Unique Path Count:	182131
Updated Path Count:	152047
Stable Path Count:	30084

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