The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 20 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	709242	12.79%	1	709242.00	MAHDI-UMRAN, ID
2	202256	459969	8.30%	1175	391.46	LAWLIETNET, CN
3	7552	348794	6.29%	3958	88.12	VIETEL-AS-AP Viettel Group, VN
4	39891	174165	3.14%	2058	84.63	ALJAWWALSTC-AS, SA
5	199340	138805	2.50%	4188	33.14	HONG-GUANWAN, HK
6	22616	127801	2.31%	37	3454.08	ZSCALER-SJC1, US
7	42375	124940	2.25%	260	480.54	INET-AS, SC
8	16509	109056	1.97%	5509	19.80	AMAZON-02, US
9	48456	88084	1.59%	180	489.36	IPX-AS, AE
10	40138	75615	1.36%	41	1844.27	MDNET, US
11	38266	67302	1.21%	1391	48.38	VIL-AS-AP Vodafone Idea Ltd, IN
12	211894	62430	1.13%	8	7803.75	UNGLEICH-PLACE18, CH
13	50529	61898	1.12%	126	491.25	FN-AS, AE
14	34567	55161	1.00%	114	483.87	NEXT-AS, HK
15	36351	51027	0.92%	71	718.69	SOFTLAYER, US
16	23736	47455	0.86%	48	988.65	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
17	204508	47447	0.86%	18	2635.94	MLGT, IT
18	12041	41798	0.75%	228	183.32	AS-AFILIAS1, US
19	267963	32555	0.59%	7	4650.71	HAYAN TELECOM, BR
20	21351	31781	0.57%	17	1869.47	CANALPLUSTELECOM, GP
21	216056	30876	0.56%	15	2058.40	XAVEN-NETWORK, CN
22	263262	29731	0.54%	21	1415.76	MOV TELECOM LTDA, BR
23	61164	27798	0.50%	57	487.68	LIR-AS, AE
24	17072	27097	0.49%	1405	19.29	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
25	199553	26038	0.47%	6	4339.67	UNGLEICH-PLACE5, CH
26	30083	24632	0.44%	3	8210.67	AS-30083-US-VELIA-NET, DE
27	28598	24124	0.44%	14	1723.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
28	213092	24120	0.44%	12	2010.00	MARBLEIS, GB
29	13780	23855	0.43%	10	2385.50	MILEHIGHWALRUS-NETWORK, US
30	267943	23614	0.43%	16	1475.88	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
31	56167	23508	0.42%	648	36.28	PTML-PK Plot No 181-186 Street, PK
32	271149	23404	0.42%	3	7801.33	K. R. VIOTO, BR
33	139341	23389	0.42%	171	136.78	ACE-AS-AP ACE, SG
34	262448	22958	0.41%	20	1147.90	DIALHOST INTERNET EIRELI, BR
35	265500	21913	0.40%	10	2191.30	ALMEIRIM TELECOM LTDA - ME, BR
36	43350	21342	0.39%	24	889.25	NFORCE, NL
37	39572	20762	0.37%	33	629.15	ADVANCEDHOSTERS-AS, NL
38	136873	20521	0.37%	8	2565.12	MEGADATA-AS-ID MEGADATA-ISP, ID
39	23420	20346	0.37%	1	20346.00	AS-DAVENPRO, US
40	64289	20224	0.36%	12	1685.33	MACARNE, US
41	14593	19226	0.35%	714	26.93	SPACEX-STARLINK, US
42	13335	19110	0.34%	2970	6.43	CLOUDFLARENET, US
43	10103	18404	0.33%	12	1533.67	HKBN-AS-AP HK Broadband Network Ltd., HK
44	28458	18144	0.33%	2	9072.00	IENTC S DE RL DE CV, MX
45	32098	17675	0.32%	1632	10.83	TRANSTELCO-INC, US
46	28126	17622	0.32%	9	1958.00	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
47	55960	17517	0.32%	34	515.21	BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN
48	61845	16827	0.30%	3	5609.00	GRD TELECOMUNICACOES LTDA, BR
49	264525	16226	0.29%	5	3245.20	Coelho Tecnologia, BR
50	92	16104	0.29%	1	16104.00	CLARKSON-AS, US
Total		3512432	63.37%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	709242.0	12.79%	1	709242	MAHDI-UMRAN, ID
2	23420	20346.0	0.37%	1	20346	AS-DAVENPRO, US
3	92	16104.0	0.29%	1	16104	CLARKSON-AS, US
4	272053	14386.0	0.26%	1	14386	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	210564	11413.0	0.21%	1	11413	SWANTZTER-AS, SE
6	11761	9480.0	0.17%	1	9480	KKCLOUD, US
7	203664	9132.0	0.16%	1	9132	LANXING-AS, CN
8	28458	9072.0	0.33%	2	18144	IENTC S DE RL DE CV, MX
9	328631	8781.0	0.16%	1	8781	BallitoISP, ZA
10	61625	8228.0	0.15%	1	8228
11	30083	8210.7	0.44%	3	24632	AS-30083-US-VELIA-NET, DE
12	264525	8113.0	0.29%	5	16226	Coelho Tecnologia, BR
13	211894	7803.8	1.13%	8	62430	UNGLEICH-PLACE18, CH
14	271149	7801.3	0.42%	3	23404	K. R. VIOTO, BR
15	209898	6984.5	0.25%	2	13969	UNGLEICH-UNGLEICH-UPSTREAM, CH
16	199678	6457.0	0.12%	1	6457	AS-6RW-, RU
17	41701	5678.0	0.10%	1	5678	CAP-FIN-AS, FI
18	61845	5609.0	0.30%	3	16827	GRD TELECOMUNICACOES LTDA, BR
19	141145	5349.0	0.10%	1	5349	GIGANET-AS-ID PT Giga Digital Nusantara, ID
20	271944	5109.0	0.09%	1	5109	AUDIBEL TELECOMUNICACIONES S.A., AR
21	266919	4789.0	0.09%	1	4789	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
22	267963	4650.7	0.59%	7	32555	HAYAN TELECOM, BR
23	30362	4448.0	0.08%	1	4448	HPT-ASN, US
24	199553	4339.7	0.47%	6	26038	UNGLEICH-PLACE5, CH
25	265314	4236.0	0.08%	1	4236	Toolsoft Tecnologia Ltda, BR
26	20915	4102.0	0.07%	1	4102	HUNDRED-PERCENT-IT, GB
27	211645	4072.0	0.07%	1	4072	SPG, DE
28	149500	3932.0	0.28%	4	15728	SR-AS-AP Shane Renshaw, HK
29	198090	3784.0	0.07%	1	3784	ASLIBRA, IT
30	24474	3640.5	0.13%	2	7281	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
31	22616	3454.1	2.31%	37	127801	ZSCALER-SJC1, US
32	138535	2883.7	0.16%	3	8651	FURDEVS-AS-AP Wu Qi, CN
33	262901	2881.5	0.10%	2	5763	Vcnet Provedora de Internet Ltda., BR
34	214498	2805.0	0.05%	1	2805	MCLARENAPPLIED, GB
35	199235	2664.0	0.05%	1	2664	MIKROHALO-HU-AS, HU
36	204508	2635.9	0.86%	18	47447	MLGT, IT
37	199689	2589.0	0.05%	1	2589	JOSHA-PRIOR Netralex BYOIP, NL
38	214366	2582.0	0.05%	1	2582	PRIVACYFIRST, AE
39	136873	2565.1	0.37%	8	20521	MEGADATA-AS-ID MEGADATA-ISP, ID
40	268064	2409.0	0.04%	1	2409	Net 1000 Telecom Ltda, BR
41	13780	2385.5	0.43%	10	23855	MILEHIGHWALRUS-NETWORK, US
42	265500	2191.3	0.40%	10	21913	ALMEIRIM TELECOM LTDA - ME, BR
43	266136	2130.3	0.12%	3	6391	R.A INTERNET, BR
44	216056	2058.4	0.56%	15	30876	XAVEN-NETWORK, CN
45	213092	2010.0	0.44%	12	24120	MARBLEIS, GB
46	200915	2000.3	0.11%	3	6001	MRFK, NO
47	6871	1993.7	0.11%	3	5981	PLUSNET UK Internet Service Provider, GB
48	28126	1958.0	0.32%	9	17622	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
49	271457	1922.5	0.07%	2	3845	VOLTSNET PROVEDOR COMERCIO E SERVICO LTDA ME ME, BR
50	21351	1869.5	0.57%
Total		973282	27.23%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	709242	12.16%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	127656	2.19%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	31756	0.54%	21351 -- CANALPLUSTELECOM, GP
4	2605:de00:bb::/48	24630	0.42%	30083 -- AS-30083-US-VELIA-NET, DE
5	2804:248:100::/40	24048	0.41%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	240d:c010:165::/48	20935	0.36%	139341 -- ACE-AS-AP ACE, SG
7	2a07:54c1:2205::/48	20466	0.35%	216056 -- XAVEN-NETWORK, CN
8	2605:9c40::/32	20346	0.35%	23420 -- AS-DAVENPRO, US
9	2806:202::/32	18143	0.31%	28458 -- IENTC S DE RL DE CV, MX
10	2a14:3f87:9800::/38	17535	0.30%	64289 -- MACARNE, US
11	2804:20fc:2000::/36	16221	0.28%	264525 -- Coelho Tecnologia, BR
12	2605:6480::/32	16104	0.28%	92 -- CLARKSON-AS, US
13	2803:5d10::/32	14386	0.25%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
14	2a0a:e5c0:76::/48	13968	0.24%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
15	2804:7704:8000::/33	12761	0.22%	271149 -- K. R. VIOTO, BR
16	2001:67c:20fc::/48	11413	0.20%	210564 -- SWANTZTER-AS, SE
17	2a02:b48:83f3::/48	11251	0.19%	39572 -- ADVANCEDHOSTERS-AS, NL
18	2804:7704::/33	10582	0.18%	271149 -- K. R. VIOTO, BR
19	2a07:54c1:2202::/48	10319	0.18%	216056 -- XAVEN-NETWORK, CN
20	2610:a1:1028::/48	10103	0.17%	19905 -- SECURITYSERVICES, US
21	2a05:4140:333::/48	10011	0.17%	204508 -- MLGT, IT
22	2a05:4140:316::/48	10005	0.17%	204508 -- MLGT, IT
23	2a05:4140:304::/48	10004	0.17%	204508 -- MLGT, IT
24	2a05:4140:380::/42	9950	0.17%	204508 -- MLGT, IT
25	2602:f506::/40	9480	0.16%	11761 -- KKCLOUD, US
26	2a02:b48:83f1::/48	9278	0.16%	39572 -- ADVANCEDHOSTERS-AS, NL
27	2a0e:aa07:e044::/48	9132	0.16%	203664 -- LANXING-AS, CN
28	2804:1a34:8000::/33	9036	0.15%	61845 -- GRD TELECOMUNICACOES LTDA, BR
29	2c0f:e8a8::/32	8781	0.15%	328631 -- BallitoISP, ZA
30	2406:840:e620::/48	8647	0.15%	138535 -- FURDEVS-AS-AP Wu Qi, CN
31	2a03:90c0:7a0::/44	8614	0.15%	59437 -- NORTHERNDATA, DE
32	2a0a:e5c1:517::/48	8570	0.15%	199553 -- UNGLEICH-PLACE5, CH
33	2a0a:e5c0:45::/48	8560	0.15%	199553 -- UNGLEICH-PLACE5, CH
34	2a0a:e5c0:16::/48	8560	0.15%	199553 -- UNGLEICH-PLACE5, CH
35	2a0a:5480:4::/48	8528	0.15%	211894 -- UNGLEICH-PLACE18, CH
36	2a0a:5480:1::/48	8528	0.15%	211894 -- UNGLEICH-PLACE18, CH
37	2a0a:5480::/48	8526	0.15%	211894 -- UNGLEICH-PLACE18, CH
38	2a0a:5480:3::/48	8525	0.15%	211894 -- UNGLEICH-PLACE18, CH
39	2a0a:5480:1ac::/48	8524	0.15%	211894 -- UNGLEICH-PLACE18, CH
40	2a0a:5480:5::/48	8521	0.15%	211894 -- UNGLEICH-PLACE18, CH
41	2a0a:5480:2::/48	8519	0.15%	211894 -- UNGLEICH-PLACE18, CH
42	2804:9524::/32	8229	0.14%	61625 --
43	2a01:fb05:4000::/36	7988	0.14%	216096 -- SECUREPEAK, AD
44	2804:1a34::/33	7726	0.13%	61845 -- GRD TELECOMUNICACOES LTDA, BR
45	2a13:aac4:1000::/36	7462	0.13%	204508 -- MLGT, IT
46	2400:58a0:1003::/48	6952	0.12%	149500 -- SR-AS-AP Shane Renshaw, HK
47	2600:6c7f:9370::/44	6655	0.11%	19115 -- CHARTER-19115-DC, US
48	2402:3a80:c00e::/48	6594	0.11%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
49	2001:67c:12d4::/48	6457	0.11%	199678 -- AS-6RW-, RU
50	2602:fc09:cc::/48	6207	0.11%	13780 -- MILEHIGHWALRUS-NETWORK, US
Total		1394434	23.94%

14 Day BGP Update Statistics Profile: 5-November-2025 00:00 - 19-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	26515554
Number of Prefix Changes:	31027847
Number of Prefix Updates:	26515554
Number of Prefix Withdrawals:	4512293
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	21.92
Average Prefix Updates per second:	25.65
Peak BGP Update Message Rate per second:	60179	(23:03:53 Mon, 17-Nov-2025)
Peak Prefix Update Rate per second:	60179	(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:	5543163	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	287419	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	33064	(23:03:53 Mon, 17-Nov-2025)
Peak RIB Withdrawal Rate per second:	797	(13:49:29 Wed, 12-Nov-2025)
Seen Prefix Count:	249468
Updated Prefix Count:	241591
Stable Prefix Count:	7877
Seen Origin AS Count:	35907
Updated Origin AS Count:	35714
Stable Origin AS Count:	193
Seen Unique Path Count:	179414
Updated Path Count:	150240
Stable Path Count:	29174

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