The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 23 November 2025 01:19 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	506190	9.62%	1	506190.00	MAHDI-UMRAN, ID
2	202256	463830	8.82%	1175	394.75	LAWLIETNET, CN
3	7552	298390	5.67%	3958	75.39	VIETEL-AS-AP Viettel Group, VN
4	199340	136462	2.59%	4174	32.69	HONG-GUANWAN, HK
5	42375	134474	2.56%	260	517.21	INET-AS, SC
6	22616	132716	2.52%	37	3586.92	ZSCALER-SJC1, US
7	39891	127533	2.42%	2058	61.97	ALJAWWALSTC-AS, SA
8	16509	107451	2.04%	5515	19.48	AMAZON-02, US
9	48456	91002	1.73%	180	505.57	IPX-AS, AE
10	40138	72579	1.38%	41	1770.22	MDNET, US
11	50529	63667	1.21%	126	505.29	FN-AS, AE
12	211894	61090	1.16%	8	7636.25	UNGLEICH-PLACE18, CH
13	38266	59898	1.14%	1393	43.00	VIL-AS-AP Vodafone Idea Ltd, IN
14	34567	57358	1.09%	114	503.14	NEXT-AS, HK
15	267963	54646	1.04%	7	7806.57	HAYAN TELECOM, BR
16	32098	54246	1.03%	1639	33.10	TRANSTELCO-INC, US
17	23736	47675	0.91%	47	1014.36	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
18	12041	42246	0.80%	228	185.29	AS-AFILIAS1, US
19	36351	38077	0.72%	72	528.85	SOFTLAYER, US
20	204508	34970	0.66%	18	1942.78	MLGT, IT
21	11761	33055	0.63%	1	33055.00	KKCLOUD, US
22	21351	32348	0.62%	17	1902.82	CANALPLUSTELECOM, GP
23	28598	31956	0.61%	14	2282.57	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
24	17072	31913	0.61%	1404	22.73	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
25	61164	28998	0.55%	57	508.74	LIR-AS, AE
26	39572	28215	0.54%	33	855.00	ADVANCEDHOSTERS-AS, NL
27	263262	27882	0.53%	21	1327.71	MOV TELECOM LTDA, BR
28	213092	26330	0.50%	12	2194.17	MARBLEIS, GB
29	265500	26240	0.50%	10	2624.00	ALMEIRIM TELECOM LTDA - ME, BR
30	199553	25909	0.49%	6	4318.17	UNGLEICH-PLACE5, CH
31	56167	25452	0.48%	648	39.28	PTML-PK Plot No 181-186 Street, PK
32	36183	25337	0.48%	1640	15.45	AKAMAI-AS, US
33	28126	23791	0.45%	9	2643.44	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
34	262448	22411	0.43%	20	1120.55	DIALHOST INTERNET EIRELI, BR
35	267943	22265	0.42%	16	1391.56	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
36	13780	22066	0.42%	10	2206.60	MILEHIGHWALRUS-NETWORK, US
37	23420	20506	0.39%	1	20506.00	AS-DAVENPRO, US
38	139341	20427	0.39%	171	119.46	ACE-AS-AP ACE, SG
39	14593	19367	0.37%	714	27.12	SPACEX-STARLINK, US
40	30083	18810	0.36%	3	6270.00	AS-30083-US-VELIA-NET, DE
41	13335	18751	0.36%	3000	6.25	CLOUDFLARENET, US
42	64289	18637	0.35%	12	1553.08	MACARNE, US
43	10103	18436	0.35%	12	1536.33	HKBN-AS-AP HK Broadband Network Ltd., HK
44	9829	18356	0.35%	762	24.09	BSNL-NIB National Internet Backbone, IN
45	272053	17449	0.33%	1	17449.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
46	271149	16760	0.32%	3	5586.67	K. R. VIOTO, BR
47	43350	15611	0.30%	24	650.46	NFORCE, NL
48	21664	15473	0.29%	39	396.74	AMZN-BYOASN, US
49	61573	15355	0.29%	13	1181.15	Ip Telecom, BR
50	136873	15341	0.29%	9	1704.56	MEGADATA-AS-ID MEGADATA-ISP, ID
Total		3267947	62.11%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	506190.0	9.62%	1	506190	MAHDI-UMRAN, ID
2	11761	33055.0	0.63%	1	33055	KKCLOUD, US
3	23420	20506.0	0.39%	1	20506	AS-DAVENPRO, US
4	272053	17449.0	0.33%	1	17449	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	92	14711.0	0.28%	1	14711	CLARKSON-AS, US
6	203664	12962.0	0.25%	1	12962	LANXING-AS, CN
7	210564	11139.0	0.21%	1	11139	SWANTZTER-AS, SE
8	328631	8906.0	0.17%	1	8906	BallitoISP, ZA
9	267963	7806.6	1.04%	7	54646	HAYAN TELECOM, BR
10	211894	7636.2	1.16%	8	61090	UNGLEICH-PLACE18, CH
11	28458	7580.5	0.29%	2	15161	IENTC S DE RL DE CV, MX
12	209898	6777.0	0.26%	2	13554	UNGLEICH-UNGLEICH-UPSTREAM, CH
13	199678	6492.0	0.12%	1	6492	AS-6RW-, RU
14	271944	6491.0	0.12%	1	6491	AUDIBEL TELECOMUNICACIONES S.A., AR
15	30083	6270.0	0.36%	3	18810	AS-30083-US-VELIA-NET, DE
16	41701	5790.0	0.11%	1	5790	CAP-FIN-AS, FI
17	271149	5586.7	0.32%	3	16760	K. R. VIOTO, BR
18	141145	5564.0	0.11%	1	5564	GIGANET-AS-ID PT Giga Digital Nusantara, ID
19	61625	5131.0	0.10%	1	5131
20	268088	4996.0	0.09%	1	4996	PAULO ROBERTO SOARES DE CARVALHO, BR
21	30362	4864.0	0.09%	1	4864	HPT-ASN, US
22	266919	4789.0	0.09%	1	4789	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
23	211645	4444.0	0.08%	1	4444	SPG, DE
24	199553	4318.2	0.49%	6	25909	UNGLEICH-PLACE5, CH
25	265314	4262.0	0.08%	1	4262	Toolsoft Tecnologia Ltda, BR
26	20915	4242.0	0.08%	1	4242	HUNDRED-PERCENT-IT, GB
27	262901	4003.5	0.15%	2	8007	Vcnet Provedora de Internet Ltda., BR
28	198090	3806.0	0.07%	1	3806	ASLIBRA, IT
29	61845	3708.0	0.21%	3	11124	GRD TELECOMUNICACOES LTDA, BR
30	24474	3599.5	0.14%	2	7199	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
31	22616	3586.9	2.52%	37	132716	ZSCALER-SJC1, US
32	43247	3467.0	0.07%	1	3467	YOOMONEY-AS, RU
33	214732	3387.7	0.19%	3	10163	RATATOSKR RATATOSKR, US
34	149500	2982.8	0.23%	4	11931	SR-AS-AP Shane Renshaw, HK
35	44297	2879.0	0.05%	1	2879	ICODIA ICODIA NETWORK INTEGRITY, FR
36	138535	2852.0	0.16%	3	8556	FURDEVS-AS-AP Wu Qi, CN
37	266136	2743.0	0.16%	3	8229	R.A INTERNET, BR
38	269441	2699.3	0.15%	3	8098	MUNDO FIBRA, BR
39	28126	2643.4	0.45%	9	23791	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
40	265500	2624.0	0.50%	10	26240	ALMEIRIM TELECOM LTDA - ME, BR
41	199235	2620.0	0.05%	1	2620	MIKROHALO-HU-AS, HU
42	214366	2594.0	0.05%	1	2594	PRIVACYFIRST, AE
43	199689	2581.0	0.05%	1	2581	JOSHA-PRIOR Netralex BYOIP, NL
44	214498	2393.0	0.05%	1	2393	MCLARENAPPLIED, GB
45	28598	2282.6	0.61%	14	31956	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
46	13780	2206.6	0.42%	10	22066	MILEHIGHWALRUS-NETWORK, US
47	213092	2194.2	0.50%	12	26330	MARBLEIS, GB
48	200915	2168.0	0.12%	3	6504	MRFK, NO
49	52191	2027.0	0.04%	1	2027	LOCALKA-NET-AS , UA
50	204210	1978.2	0.15%
Total		795984.9	23.96%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	506190	9.12%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	132332	2.38%	22616 -- ZSCALER-SJC1, US
3	2602:f506::/40	33055	0.60%	11761 -- KKCLOUD, US
4	2a02:1391:5100::/40	32323	0.58%	21351 -- CANALPLUSTELECOM, GP
5	2804:248:100::/40	31869	0.57%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	2605:9c40::/32	20506	0.37%	23420 -- AS-DAVENPRO, US
7	2605:de00:bb::/48	18808	0.34%	30083 -- AS-30083-US-VELIA-NET, DE
8	240d:c010:165::/48	17924	0.32%	139341 -- ACE-AS-AP ACE, SG
9	2803:5d10::/32	17450	0.31%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
10	2a14:3f87:9800::/38	16680	0.30%	64289 -- MACARNE, US
11	2a02:b48:83f3::/48	15321	0.28%	39572 -- ADVANCEDHOSTERS-AS, NL
12	2806:202::/32	15159	0.27%	28458 -- IENTC S DE RL DE CV, MX
13	2605:6480::/32	14711	0.26%	92 -- CLARKSON-AS, US
14	2a0a:e5c0:76::/48	13552	0.24%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
15	2a0e:aa07:e044::/48	12962	0.23%	203664 -- LANXING-AS, CN
16	2a02:b48:83f1::/48	12720	0.23%	39572 -- ADVANCEDHOSTERS-AS, NL
17	2001:67c:20fc::/48	11139	0.20%	210564 -- SWANTZTER-AS, SE
18	2610:a1:1028::/48	10203	0.18%	19905 -- SECURITYSERVICES, US
19	2a14:7c0:5300::/48	10143	0.18%	214732 -- RATATOSKR RATATOSKR, US
20	2c0f:e8a8::/32	8906	0.16%	328631 -- BallitoISP, ZA
21	2a05:4140:380::/42	8714	0.16%	204508 -- MLGT, IT
22	2406:840:e620::/48	8553	0.15%	138535 -- FURDEVS-AS-AP Wu Qi, CN
23	2804:7704:8000::/33	8542	0.15%	271149 -- K. R. VIOTO, BR
24	2a0a:e5c1:517::/48	8442	0.15%	199553 -- UNGLEICH-PLACE5, CH
25	2a0a:e5c0:45::/48	8425	0.15%	199553 -- UNGLEICH-PLACE5, CH
26	2a0a:e5c0:16::/48	8425	0.15%	199553 -- UNGLEICH-PLACE5, CH
27	2a0a:5480:1::/48	8317	0.15%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:4::/48	8317	0.15%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480::/48	8316	0.15%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:3::/48	8314	0.15%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1ac::/48	8307	0.15%	211894 -- UNGLEICH-PLACE18, CH
32	2a0a:5480:5::/48	8304	0.15%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:2::/48	8303	0.15%	211894 -- UNGLEICH-PLACE18, CH
34	2804:7704::/33	8156	0.15%	271149 -- K. R. VIOTO, BR
35	2a0c:b641:302::/47	7902	0.14%	204210 -- ZEUSPACKAGINGLTD, IE
36	2804:55e4::/34	7860	0.14%	267963 -- HAYAN TELECOM, BR
37	2804:55e4:8000::/33	7844	0.14%	267963 -- HAYAN TELECOM, BR
38	2804:55e4:4000::/34	7838	0.14%	267963 -- HAYAN TELECOM, BR
39	2804:55e4:c000::/34	7807	0.14%	267963 -- HAYAN TELECOM, BR
40	2804:55e4:8000::/34	7793	0.14%	267963 -- HAYAN TELECOM, BR
41	2804:55e4::/32	7771	0.14%	267963 -- HAYAN TELECOM, BR
42	2804:55e4::/33	7733	0.14%	267963 -- HAYAN TELECOM, BR
43	2a03:90c0:7a0::/44	7639	0.14%	59437 -- NORTHERNDATA, DE
44	2a01:fb05:4000::/36	7626	0.14%	216096 -- SECUREPEAK, AD
45	2600:6c7f:9370::/44	7534	0.14%	19115 -- CHARTER-19115-DC, US
46	2a05:4140:316::/48	7455	0.13%	204508 -- MLGT, IT
47	2a05:4140:333::/48	7426	0.13%	204508 -- MLGT, IT
48	2a05:4140:304::/48	7425	0.13%	204508 -- MLGT, IT
49	2a02:26f7:168::/48	7185	0.13%	36183 -- AKAMAI-AS, US
50	2400:58a0:1003::/48	6890	0.12%	149500 -- SR-AS-AP Shane Renshaw, HK
Total		1191116	21.41%

14 Day BGP Update Statistics Profile: 8-November-2025 00:00 - 22-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26296432
Number of Prefix Changes:	30797191
Number of Prefix Updates:	26296432
Number of Prefix Withdrawals:	4500759
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.74
Average Prefix Updates per second:	25.46
Peak BGP Update Message Rate per second:	68463	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	68463	(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:	5259456	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	293678	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	41361	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	248789
Updated Prefix Count:	240797
Stable Prefix Count:	7992
Seen Origin AS Count:	35913
Updated Origin AS Count:	35717
Stable Origin AS Count:	196
Seen Unique Path Count:	188843
Updated Path Count:	159571
Stable Path Count:	29272

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