The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 18 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	808906	17.66%	1	808906.00	MAHDI-UMRAN, ID
2	202256	460218	10.04%	1176	391.34	LAWLIETNET, CN
3	7552	373452	8.15%	3958	94.35	VIETEL-AS-AP Viettel Group, VN
4	199340	139717	3.05%	4440	31.47	HONG-GUANWAN, HK
5	22616	123739	2.70%	37	3344.30	ZSCALER-SJC1, US
6	42375	105962	2.31%	260	407.55	INET-AS, SC
7	16509	103044	2.25%	5510	18.70	AMAZON-02, US
8	40138	78158	1.71%	41	1906.29	MDNET, US
9	48456	76255	1.66%	180	423.64	IPX-AS, AE
10	211894	68435	1.49%	8	8554.38	UNGLEICH-PLACE18, CH
11	38266	62597	1.37%	1391	45.00	VIL-AS-AP Vodafone Idea Ltd, IN
12	50529	53353	1.16%	126	423.44	FN-AS, AE
13	34567	47659	1.04%	114	418.06	NEXT-AS, HK
14	12041	42076	0.92%	228	184.54	AS-AFILIAS1, US
15	51559	40533	0.88%	98	413.60	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
16	267943	36997	0.81%	16	2312.31	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
17	21351	31303	0.68%	17	1841.35	CANALPLUSTELECOM, GP
18	216056	30896	0.67%	15	2059.73	XAVEN-NETWORK, CN
19	199553	28089	0.61%	6	4681.50	UNGLEICH-PLACE5, CH
20	13780	27475	0.60%	10	2747.50	MILEHIGHWALRUS-NETWORK, US
21	30083	26725	0.58%	3	8908.33	AS-30083-US-VELIA-NET, DE
22	28598	25313	0.55%	14	1808.07	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
23	61164	24006	0.52%	57	421.16	LIR-AS, AE
24	271149	23466	0.51%	3	7822.00	K. R. VIOTO, BR
25	265500	22839	0.50%	10	2283.90	ALMEIRIM TELECOM LTDA - ME, BR
26	139341	22792	0.50%	171	133.29	ACE-AS-AP ACE, SG
27	262448	21609	0.47%	20	1080.45	DIALHOST INTERNET EIRELI, BR
28	23420	20119	0.44%	1	20119.00	AS-DAVENPRO, US
29	136873	19127	0.42%	8	2390.88	MEGADATA-AS-ID MEGADATA-ISP, ID
30	263262	18952	0.41%	21	902.48	MOV TELECOM LTDA, BR
31	28458	18449	0.40%	2	9224.50	IENTC S DE RL DE CV, MX
32	10103	18253	0.40%	12	1521.08	HKBN-AS-AP HK Broadband Network Ltd., HK
33	213092	17606	0.38%	12	1467.17	MARBLEIS, GB
34	39572	17580	0.38%	33	532.73	ADVANCEDHOSTERS-AS, NL
35	64289	17398	0.38%	12	1449.83	MACARNE, US
36	61845	17024	0.37%	3	5674.67	GRD TELECOMUNICACOES LTDA, BR
37	61573	16041	0.35%	13	1233.92	Ip Telecom, BR
38	209898	15245	0.33%	2	7622.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
39	21664	15088	0.33%	37	407.78	AMZN-BYOASN, US
40	265966	14742	0.32%	8	1842.75	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
41	17072	13960	0.30%	1405	9.94	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
42	264525	13931	0.30%	5	2786.20	Coelho Tecnologia, BR
43	13335	13557	0.30%	2979	4.55	CLOUDFLARENET, US
44	28126	13434	0.29%	9	1492.67	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
45	92	13331	0.29%	1	13331.00	CLARKSON-AS, US
46	23736	13210	0.29%	46	287.17	TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
47	7713	12935	0.28%	703	18.40	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
48	272053	12882	0.28%	1	12882.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
49	45271	12592	0.27%	1262	9.98	VIL-AS-AP Vodafone Idea Ltd, IN
50	24173	11849	0.26%	262	45.23	NETNAM-AS-AP Netnam Company, VN
Total		3262919	71.16%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	808906.0	17.66%	1	808906	MAHDI-UMRAN, ID
2	23420	20119.0	0.44%	1	20119	AS-DAVENPRO, US
3	92	13331.0	0.29%	1	13331	CLARKSON-AS, US
4	272053	12882.0	0.28%	1	12882	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
5	210564	11541.0	0.25%	1	11541	SWANTZTER-AS, SE
6	11761	11172.0	0.24%	1	11172	KKCLOUD, US
7	61625	10305.0	0.22%	1	10305
8	28458	9224.5	0.40%	2	18449	IENTC S DE RL DE CV, MX
9	30083	8908.3	0.58%	3	26725	AS-30083-US-VELIA-NET, DE
10	328631	8881.0	0.19%	1	8881	BallitoISP, ZA
11	211894	8554.4	1.49%	8	68435	UNGLEICH-PLACE18, CH
12	271149	7822.0	0.51%	3	23466	K. R. VIOTO, BR
13	209898	7622.5	0.33%	2	15245	UNGLEICH-UNGLEICH-UPSTREAM, CH
14	203664	5740.0	0.13%	1	5740	LANXING-AS, CN
15	61845	5674.7	0.37%	3	17024	GRD TELECOMUNICACOES LTDA, BR
16	141145	4997.0	0.11%	1	4997	GIGANET-AS-ID PT Giga Digital Nusantara, ID
17	41701	4970.0	0.11%	1	4970	CAP-FIN-AS, FI
18	199553	4681.5	0.61%	6	28089	UNGLEICH-PLACE5, CH
19	30362	4429.0	0.10%	1	4429	HPT-ASN, US
20	211645	4385.0	0.10%	1	4385	SPG, DE
21	20915	4273.0	0.09%	1	4273	HUNDRED-PERCENT-IT, GB
22	265314	4161.0	0.09%	1	4161	Toolsoft Tecnologia Ltda, BR
23	271944	4121.0	0.09%	1	4121	AUDIBEL TELECOMUNICACIONES S.A., AR
24	198090	3767.0	0.08%	1	3767	ASLIBRA, IT
25	24474	3703.0	0.16%	2	7406	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
26	266919	3507.0	0.08%	1	3507	MDS INTERNET E SERVICO DE INFORMATICA LTDA. ME, BR
27	22616	3344.3	2.70%	37	123739	ZSCALER-SJC1, US
28	138535	2871.0	0.19%	3	8613	FURDEVS-AS-AP Wu Qi, CN
29	214498	2795.0	0.06%	1	2795	MCLARENAPPLIED, GB
30	264525	2786.2	0.30%	5	13931	Coelho Tecnologia, BR
31	13780	2747.5	0.60%	10	27475	MILEHIGHWALRUS-NETWORK, US
32	199235	2665.0	0.06%	1	2665	MIKROHALO-HU-AS, HU
33	199689	2468.0	0.05%	1	2468	JOSHA-PRIOR Netralex BYOIP, NL
34	268064	2412.0	0.05%	1	2412	Net 1000 Telecom Ltda, BR
35	136873	2390.9	0.42%	8	19127	MEGADATA-AS-ID MEGADATA-ISP, ID
36	267943	2312.3	0.81%	16	36997	SOL PROVEDOR DE INTERNETE LTDA - ME, BR
37	265500	2283.9	0.50%	10	22839	ALMEIRIM TELECOM LTDA - ME, BR
38	270786	2271.0	0.05%	1	2271	CITYNET COM. DE PROD. DE INFORMATICA LTDA, BR
39	6871	2258.3	0.15%	3	6775	PLUSNET UK Internet Service Provider, GB
40	262901	2192.0	0.10%	2	4384	Vcnet Provedora de Internet Ltda., BR
41	216056	2059.7	0.67%	15	30896	XAVEN-NETWORK, CN
42	214909	1941.4	0.21%	5	9707	SVERRES-AS, NO
43	200915	1940.0	0.13%	3	5820	MRFK, NO
44	40138	1906.3	1.71%	41	78158	MDNET, US
45	265966	1842.8	0.32%	8	14742	J M P M ALENCAR & A G F ALENCAR LTDA - ME, BR
46	21351	1841.4	0.68%	17	31303	CANALPLUSTELECOM, GP
47	28598	1808.1	0.55%	14	25313	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
48	149500	1768.2	0.15%	4	7073	SR-AS-AP Shane Renshaw, HK
49	44212	1702.0	0.15%	4	6808	ADELPHINET1-AS, IE
50	266136	1639.7	0.11%
Total		1051924.9	35.72%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	808906	16.70%	214028 -- MAHDI-UMRAN, ID
2	2a03:eec0:3212::/48	123659	2.55%	22616 -- ZSCALER-SJC1, US
3	2a02:1391:5100::/40	31281	0.65%	21351 -- CANALPLUSTELECOM, GP
4	2605:de00:bb::/48	26723	0.55%	30083 -- AS-30083-US-VELIA-NET, DE
5	2804:248:100::/40	25215	0.52%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	240d:c010:165::/48	21737	0.45%	139341 -- ACE-AS-AP ACE, SG
7	2a07:54c1:2205::/48	20466	0.42%	216056 -- XAVEN-NETWORK, CN
8	2605:9c40::/32	20119	0.42%	23420 -- AS-DAVENPRO, US
9	2806:202::/32	18447	0.38%	28458 -- IENTC S DE RL DE CV, MX
10	2a14:3f87:9800::/38	17369	0.36%	64289 -- MACARNE, US
11	2a0a:e5c0:76::/48	15242	0.31%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
12	2804:20fc:2000::/36	13922	0.29%	264525 -- Coelho Tecnologia, BR
13	2605:6480::/32	13331	0.28%	92 -- CLARKSON-AS, US
14	2803:5d10::/32	12883	0.27%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
15	2804:7704:8000::/33	12799	0.26%	271149 -- K. R. VIOTO, BR
16	2001:67c:20fc::/48	11541	0.24%	210564 -- SWANTZTER-AS, SE
17	2602:f506::/40	11172	0.23%	11761 -- KKCLOUD, US
18	2804:7704::/33	10618	0.22%	271149 -- K. R. VIOTO, BR
19	2a07:54c1:2202::/48	10319	0.21%	216056 -- XAVEN-NETWORK, CN
20	2804:9524::/32	10305	0.21%	61625 --
21	2610:a1:1028::/48	10082	0.21%	19905 -- SECURITYSERVICES, US
22	2a0a:e5c1:517::/48	9370	0.19%	199553 -- UNGLEICH-PLACE5, CH
23	2a0a:e5c0:45::/48	9354	0.19%	199553 -- UNGLEICH-PLACE5, CH
24	2a0a:e5c0:16::/48	9354	0.19%	199553 -- UNGLEICH-PLACE5, CH
25	2a0a:5480:1::/48	9294	0.19%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:4::/48	9294	0.19%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480::/48	9293	0.19%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:3::/48	9291	0.19%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:1ac::/48	9289	0.19%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:5::/48	9286	0.19%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:2::/48	9284	0.19%	211894 -- UNGLEICH-PLACE18, CH
32	2804:1a34:8000::/33	9134	0.19%	61845 -- GRD TELECOMUNICACOES LTDA, BR
33	2a03:90c0:7a0::/44	8962	0.19%	59437 -- NORTHERNDATA, DE
34	2c0f:e8a8::/32	8881	0.18%	328631 -- BallitoISP, ZA
35	2a02:b48:83f3::/48	8839	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
36	2a02:b48:83f1::/48	8705	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
37	2406:840:e620::/48	8605	0.18%	138535 -- FURDEVS-AS-AP Wu Qi, CN
38	2a01:fb05:4000::/36	8226	0.17%	216096 -- SECUREPEAK, AD
39	2402:3a80:c00e::/48	8055	0.17%	38266 -- VIL-AS-AP Vodafone Idea Ltd, IN
40	2804:1a34::/33	7824	0.16%	61845 -- GRD TELECOMUNICACOES LTDA, BR
41	2a13:aac4:1000::/36	7447	0.15%	204508 -- MLGT, IT
42	2602:fc09:cc::/48	7133	0.15%	13780 -- MILEHIGHWALRUS-NETWORK, US
43	2600:6c7f:9370::/44	7047	0.15%	19115 -- CHARTER-19115-DC, US
44	2400:58a0:1003::/48	6944	0.14%	149500 -- SR-AS-AP Shane Renshaw, HK
45	2602:fc09:bb::/48	6889	0.14%	13780 -- MILEHIGHWALRUS-NETWORK, US
46	2a02:16c8::/35	6773	0.14%	6871 -- PLUSNET UK Internet Service Provider, GB
47	2602:fc09:aa::/48	6772	0.14%	13780 -- MILEHIGHWALRUS-NETWORK, US
48	2602:fc09:dd::/48	6675	0.14%	13780 -- MILEHIGHWALRUS-NETWORK, US
49	2605:9cc0:c0e::/48	6066	0.13%	21664 -- AMZN-BYOASN, US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
50	2001:1260:103::/48	6034	0.12%	13591 -- Mexico Red de Telecomunicaciones, S. de R.L. de C.V., MX
Total		1484256	30.63%

14 Day BGP Update Statistics Profile: 3-November-2025 00:00 - 17-November-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27230737
Number of Prefix Changes:	31706159
Number of Prefix Updates:	27230737
Number of Prefix Withdrawals:	4475422
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	22.51
Average Prefix Updates per second:	26.21
Peak BGP Update Message Rate per second:	108705	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Update Rate per second:	108705	(02:25:46 Tue, 4-Nov-2025)
Peak Prefix Withdraw Rate per second:	2051	(13:50:23 Wed, 12-Nov-2025, )
Number of RIB Prefix Updates:	4581650	(0.17 of recv'd updates)
Number of RIB Prefix Withdrawals:	262293	(0.06 of recv'd withdrawals)
Peak RIB Update Rate per second:	68965	(02:25:46 Tue, 4-Nov-2025)
Peak RIB Withdrawal Rate per second:	2035	(13:50:39 Wed, 12-Nov-2025)
Seen Prefix Count:	249805
Updated Prefix Count:	249803
Stable Prefix Count:	2
Seen Origin AS Count:	35889
Updated Origin AS Count:	35877
Stable Origin AS Count:	12
Seen Unique Path Count:	177580
Updated Path Count:	152592
Stable Path Count:	24988

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