The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 24 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	464034	9.18%	1175	394.92	LAWLIETNET, CN
2	214028	437968	8.67%	1	437968.00	MAHDI-UMRAN, ID
3	7552	266480	5.27%	3958	67.33	VIETEL-AS-AP Viettel Group, VN
4	42375	136857	2.71%	260	526.37	INET-AS, SC
5	199340	134801	2.67%	4168	32.34	HONG-GUANWAN, HK
6	22616	130606	2.58%	37	3529.89	ZSCALER-SJC1, US
7	39891	129317	2.56%	2058	62.84	ALJAWWALSTC-AS, SA
8	16509	106544	2.11%	5515	19.32	AMAZON-02, US
9	48456	92810	1.84%	180	515.61	IPX-AS, AE
10	40138	72150	1.43%	41	1759.76	MDNET, US
11	32098	67103	1.33%	1639	40.94	TRANSTELCO-INC, US
12	50529	64928	1.28%	126	515.30	FN-AS, AE
13	267963	63249	1.25%	7	9035.57	HAYAN TELECOM, BR
14	211894	61488	1.22%	8	7686.00	UNGLEICH-PLACE18, CH
15	34567	58151	1.15%	114	510.10	NEXT-AS, HK
16	23736	47675	0.94%	47	1014.36	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
17	263262	42880	0.85%	21	2041.90	MOV TELECOM LTDA, BR
18	12041	42259	0.84%	228	185.35	AS-AFILIAS1, US
19	38266	38283	0.76%	1393	27.48	VIL-AS-AP Vodafone Idea Ltd, IN
20	36351	36045	0.71%	72	500.62	SOFTLAYER, US
21	204508	33582	0.66%	18	1865.67	MLGT, IT
22	17072	33256	0.66%	1404	23.69	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
23	21351	32470	0.64%	17	1910.00	CANALPLUSTELECOM, GP
24	61164	29707	0.59%	57	521.18	LIR-AS, AE
25	56167	28044	0.56%	648	43.28	PTML-PK Plot No 181-186 Street, PK
26	28598	27012	0.53%	14	1929.43	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
27	28126	25925	0.51%	9	2880.56	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
28	199553	25871	0.51%	6	4311.83	UNGLEICH-PLACE5, CH
29	265500	23756	0.47%	10	2375.60	ALMEIRIM TELECOM LTDA - ME, BR
30	213092	23433	0.46%	12	1952.75	MARBLEIS, GB
31	36183	23397	0.46%	1640	14.27	AKAMAI-AS, US
32	262448	22468	0.44%	20	1123.40	DIALHOST INTERNET EIRELI, BR
33	13780	22024	0.44%	10	2202.40	MILEHIGHWALRUS-NETWORK, US
34	39572	22013	0.44%	33	667.06	ADVANCEDHOSTERS-AS, NL
35	23420	20532	0.41%	1	20532.00	AS-DAVENPRO, US
36	9829	19841	0.39%	762	26.04	BSNL-NIB National Internet Backbone, IN
37	14593	19407	0.38%	714	27.18	SPACEX-STARLINK, US
38	10103	18628	0.37%	12	1552.33	HKBN-AS-AP HK Broadband Network Ltd., HK
39	139341	18600	0.37%	170	109.41	ACE-AS-AP ACE, SG
40	13335	18410	0.36%	2999	6.14	CLOUDFLARENET, US
41	64289	18232	0.36%	12	1519.33	MACARNE, US
42	272053	17626	0.35%	1	17626.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
43	30083	17015	0.34%	3	5671.67	AS-30083-US-VELIA-NET, DE
44	267943	15744	0.31%	16	984.00	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
45	92	15229	0.30%	1	15229.00	CLARKSON-AS, US
46	21664	15183	0.30%	39	389.31	AMZN-BYOASN, US
47	61573	15160	0.30%	13	1166.15	Ip Telecom, BR
48	203664	14786	0.29%	1	14786.00	LANXING-AS, CN
49	271149	14459	0.29%	3	4819.67	K. R. VIOTO, BR
50	136873	13857	0.27%	9	1539.67	MEGADATA-AS-ID MEGADATA-ISP, ID
Total		3139295	62.11%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	437968.0	8.67%	1	437968	MAHDI-UMRAN, ID
2	23420	20532.0	0.41%	1	20532	AS-DAVENPRO, US
3	272053	17626.0	0.35%	1	17626	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	92	15229.0	0.30%	1	15229	CLARKSON-AS, US
5	203664	14786.0	0.29%	1	14786	LANXING-AS, CN
6	210564	11164.0	0.22%	1	11164	SWANTZTER-AS, SE
7	267963	9035.6	1.25%	7	63249	HAYAN TELECOM, BR
8	328631	8973.0	0.18%	1	8973	BallitoISP, ZA
9	211894	7686.0	1.22%	8	61488	UNGLEICH-PLACE18, CH
10	271944	6970.0	0.14%	1	6970	AUDIBEL TELECOMUNICACIONES S.A., AR
11	11761	6916.0	0.14%	1	6916	KKCLOUD, US
12	28458	6893.5	0.27%	2	13787	IENTC S DE RL DE CV, MX
13	209898	6787.5	0.27%	2	13575	UNGLEICH-UNGLEICH-UPSTREAM, CH
14	199678	6531.0	0.13%	1	6531	AS-6RW-, RU
15	41701	5852.0	0.12%	1	5852	CAP-FIN-AS, FI
16	268088	5744.0	0.11%	1	5744	PAULO ROBERTO SOARES DE CARVALHO, BR
17	30083	5671.7	0.34%	3	17015	AS-30083-US-VELIA-NET, DE
18	141145	5347.0	0.11%	1	5347	GIGANET-AS-ID PT Giga Digital Nusantara, ID
19	271149	4819.7	0.29%	3	14459	K. R. VIOTO, BR
20	266919	4789.0	0.09%	1	4789	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
21	30362	4687.0	0.09%	1	4687	HPT-ASN, US
22	61625	4618.0	0.09%	1	4618
23	20915	4484.0	0.09%	1	4484	HUNDRED-PERCENT-IT, GB
24	214732	4482.0	0.27%	3	13446	RATATOSKR RATATOSKR, US
25	262901	4462.5	0.18%	2	8925	Vcnet Provedora de Internet Ltda., BR
26	199553	4311.8	0.51%	6	25871	UNGLEICH-PLACE5, CH
27	211645	4271.0	0.08%	1	4271	SPG, DE
28	43247	4085.0	0.08%	1	4085	YOOMONEY-AS, RU
29	198090	3825.0	0.08%	1	3825	ASLIBRA, IT
30	24474	3602.0	0.14%	2	7204	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
31	22616	3529.9	2.58%	37	130606	ZSCALER-SJC1, US
32	269441	3272.7	0.19%	3	9818	MUNDO FIBRA, BR
33	265314	3177.0	0.06%	1	3177	Toolsoft Tecnologia Ltda, BR
34	28126	2880.6	0.51%	9	25925	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
35	138535	2863.3	0.17%	3	8590	FURDEVS-AS-AP Wu Qi, CN
36	266136	2861.0	0.17%	3	8583	R.A INTERNET, BR
37	61845	2782.0	0.17%	3	8346	GRD TELECOMUNICACOES LTDA, BR
38	149500	2677.5	0.21%	4	10710	SR-AS-AP Shane Renshaw, HK
39	199235	2620.0	0.05%	1	2620	MIKROHALO-HU-AS, HU
40	214366	2599.0	0.05%	1	2599	PRIVACYFIRST, AE
41	44297	2575.0	0.05%	1	2575	ICODIA ICODIA NETWORK INTEGRITY, FR
42	199689	2507.0	0.05%	1	2507	JOSHA-PRIOR Netralex BYOIP, NL
43	52191	2423.0	0.05%	1	2423	LOCALKA-NET-AS , UA
44	265500	2375.6	0.47%	10	23756	ALMEIRIM TELECOM LTDA - ME, BR
45	204210	2347.8	0.19%	4	9391	ZEUSPACKAGINGLTD, IE
46	268487	2311.0	0.05%	5	2311	PRISMA TELECOMUNICACOES LTDA. EPP, BR
47	13780	2202.4	0.44%	10	22024	MILEHIGHWALRUS-NETWORK, US
48	214498	2202.0	0.04%	1	2202	MCLARENAPPLIED, GB
49	398852	2135.0	0.04%	1	2135	NEXTOR-TELECOM, US
50	269398	2047.7	0.12%
Total		704538.8	22.17%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	437968	8.19%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	130212	2.44%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	32445	0.61%	21351 -- CANALPLUSTELECOM, GP
4	2804:248:100::/40	26925	0.50%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
5	2605:9c40::/32	20532	0.38%	23420 -- AS-DAVENPRO, US
6	2803:5d10::/32	17626	0.33%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	2605:de00:bb::/48	17013	0.32%	30083 -- AS-30083-US-VELIA-NET, DE
8	2a14:3f87:9800::/38	16533	0.31%	64289 -- MACARNE, US
9	240d:c010:165::/48	16102	0.30%	139341 -- ACE-AS-AP ACE, SG
10	2605:6480::/32	15229	0.28%	92 -- CLARKSON-AS, US
11	2a0e:aa07:e044::/48	14786	0.28%	203664 -- LANXING-AS, CN
12	2806:202::/32	13785	0.26%	28458 -- IENTC S DE RL DE CV, MX
13	2a0a:e5c0:76::/48	13573	0.25%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2a14:7c0:5300::/48	13426	0.25%	214732 -- RATATOSKR RATATOSKR, US
15	2001:67c:20fc::/48	11164	0.21%	210564 -- SWANTZTER-AS, SE
16	2a02:b48:83f1::/48	11125	0.21%	39572 -- ADVANCEDHOSTERS-AS, NL
17	2a02:b48:83f3::/48	10732	0.20%	39572 -- ADVANCEDHOSTERS-AS, NL
18	2610:a1:1028::/48	10478	0.20%	19905 -- SECURITYSERVICES, US
19	2a0c:b641:302::/47	9380	0.18%	204210 -- ZEUSPACKAGINGLTD, IE
20	2804:55e4::/34	9106	0.17%	267963 -- HAYAN TELECOM, BR
21	2804:55e4:4000::/34	9084	0.17%	267963 -- HAYAN TELECOM, BR
22	2804:55e4::/32	9050	0.17%	267963 -- HAYAN TELECOM, BR
23	2804:55e4:8000::/33	9043	0.17%	267963 -- HAYAN TELECOM, BR
24	2804:55e4:8000::/34	9042	0.17%	267963 -- HAYAN TELECOM, BR
25	2804:55e4:c000::/34	9030	0.17%	267963 -- HAYAN TELECOM, BR
26	2c0f:e8a8::/32	8973	0.17%	328631 -- BallitoISP, ZA
27	2804:55e4::/33	8894	0.17%	267963 -- HAYAN TELECOM, BR
28	2406:840:e620::/48	8587	0.16%	138535 -- FURDEVS-AS-AP Wu Qi, CN
29	2a0a:e5c1:517::/48	8456	0.16%	199553 -- UNGLEICH-PLACE5, CH
30	2a0a:e5c0:45::/48	8437	0.16%	199553 -- UNGLEICH-PLACE5, CH
31	2a0a:e5c0:16::/48	8437	0.16%	199553 -- UNGLEICH-PLACE5, CH
32	2a0a:5480:4::/48	8345	0.16%	211894 -- UNGLEICH-PLACE18, CH
33	2a0a:5480:1::/48	8345	0.16%	211894 -- UNGLEICH-PLACE18, CH
34	2a0a:5480::/48	8343	0.16%	211894 -- UNGLEICH-PLACE18, CH
35	2a0a:5480:3::/48	8342	0.16%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1ac::/48	8333	0.16%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480:5::/48	8330	0.16%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:2::/48	8328	0.16%	211894 -- UNGLEICH-PLACE18, CH
39	2600:6c7f:9370::/44	7549	0.14%	19115 -- CHARTER-19115-DC, US
40	2a13:aac4:1000::/36	7479	0.14%	204508 -- MLGT, IT
41	2a01:fb05:4000::/36	7282	0.14%	216096 -- SECUREPEAK, AD
42	2804:7704:8000::/33	7279	0.14%	271149 -- K. R. VIOTO, BR
43	2804:7704::/33	7116	0.13%	271149 -- K. R. VIOTO, BR
44	2803:6610::/32	6970	0.13%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
45	2602:f506::/40	6916	0.13%	11761 -- KKCLOUD, US
46	2400:58a0:1003::/48	6910	0.13%	149500 -- SR-AS-AP Shane Renshaw, HK
47	2a05:4140:380::/42	6565	0.12%	204508 -- MLGT, IT
48	2001:67c:12d4::/48	6531	0.12%	199678 -- AS-6RW-, RU
49	2a05:4140:316::/48	6526	0.12%	204508 -- MLGT, IT
50	2a05:4140:304::/48	6505	0.12%	204508 -- MLGT, IT
Total		1087167	20.38%

14 Day BGP Update Statistics Profile: 9-November-2025 00:00 - 23-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26167942
Number of Prefix Changes:	30666451
Number of Prefix Updates:	26167942
Number of Prefix Withdrawals:	4498509
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.63
Average Prefix Updates per second:	25.35
Peak BGP Update Message Rate per second:	69321	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	69321	(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:	5052943	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	292887	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	41913	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	248922
Updated Prefix Count:	240872
Stable Prefix Count:	8050
Seen Origin AS Count:	35918
Updated Origin AS Count:	35720
Stable Origin AS Count:	198
Seen Unique Path Count:	188734
Updated Path Count:	159463
Stable Path Count:	29271

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