The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 25 January 2026 01:14 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	7552	384359	11.25%	3977	96.65	VIETEL-AS-AP Viettel Group, VN
2	199340	102202	2.99%	2294	44.55	HONG-GUANWAN, HK
3	16509	93745	2.74%	5426	17.28	AMAZON-02 - Amazon.com, Inc., US
4	40138	88937	2.60%	38	2340.45	MDNET - Mach Dilemma, LLC, US
5	28649	73558	2.15%	77	955.30	Desktop Sigmanet Comunicacao Multimidia SA, BR
6	28126	70215	2.05%	68	1032.57	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
7	211894	65054	1.90%	8	8131.75	UNGLEICH-PLACE18, CH
8	204508	48178	1.41%	17	2834.00	MLGT, IT
9	21351	44155	1.29%	17	2597.35	CANALPLUSTELECOM, GP
10	202256	43030	1.26%	265	162.38	LAWLIETNET, CN
11	396509	37556	1.10%	13	2888.92	LETSCLOUD - LETSCLOUD, US
12	199553	35985	1.05%	6	5997.50	UNGLEICH-PLACE5, CH
13	28598	32506	0.95%	14	2321.86	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
14	38266	29724	0.87%	1384	21.48	VIL-AS-AP Vodafone Idea Ltd, IN
15	136873	29514	0.86%	8	3689.25	MEGADATA-AS-ID MEGADATA-ISP, ID
16	39891	28204	0.83%	2058	13.70	ALJAWWALSTC-AS, SA
17	271466	28028	0.82%	10	2802.80	UC Telecom Ltda, BR
18	45271	26694	0.78%	1250	21.36	VIL-AS-AP Vodafone Idea Ltd, IN
19	272053	25940	0.76%	1	25940.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
20	137409	24554	0.72%	1103	22.26	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
21	328327	24020	0.70%	6	4003.33	ASAP-AS, ZA
22	17072	23527	0.69%	1410	16.69	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
23	213092	22145	0.65%	12	1845.42	MARBLEIS, GB
24	204210	22000	0.64%	4	5500.00	ZEUSPACKAGINGLTD, IE
25	262448	21796	0.64%	11	1981.45	DIALHOST INTERNET EIRELI, BR
26	42772	21314	0.62%	19	1121.79	A1-BY-AS, BY
27	10103	21185	0.62%	12	1765.42	HKBN-AS-AP HK Broadband Network Ltd., HK
28	203664	19352	0.57%	1	19352.00	LANXING-AS, CN
29	264525	18899	0.55%	5	3779.80	Coelho Tecnologia, BR
30	48635	18724	0.55%	21	891.62	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
31	214450	18487	0.54%	2	9243.50	OGL-AS, DE
32	32098	17884	0.52%	1742	10.27	TRANSTELCO-INC - Transtelco Inc, US
33	5416	16869	0.49%	1042	16.19	Internet Service Provider, BH
34	8386	16596	0.49%	20	829.80	KOCNET, TR
35	9287	16245	0.48%	8	2030.62	TIDCC-AS-AP True Internet Data Center Company Limited, TH
36	30058	16222	0.47%	146	111.11	FDCSERVERS - FDCservers.net, US
37	23679	15730	0.46%	26	605.00	NUSANET-AS-ID PT. Media Antar Nusa, ID
38	149500	15657	0.46%	4	3914.25	SR-AS-AP Shane Renshaw, HK
39	215956	15424	0.45%	35	440.69	MYIP-AS MyIP.be ~ AS215956, BE
40	61573	14789	0.43%	13	1137.62	IP TELECOM, BR
41	274743	14579	0.43%	7	2082.71	FASTWEB TELECOMUNICACOES, BR
42	13335	13895	0.41%	3167	4.39	CLOUDFLARENET - Cloudflare, Inc., US
43	2018	13529	0.40%	14	966.36	TENET-1, ZA
44	151810	13474	0.39%	4	3368.50	PHYLAXISINC-AS-AP Phylaxis Korea, KR
45	210564	13156	0.38%	1	13156.00	SWANTZTER-AS, SE
46	9829	12805	0.37%	829	15.45	BSNL-NIB National Internet Backbone, IN
47	21664	12545	0.37%	37	339.05	AMZN-BYOASN - Amazon.com, Inc., US
48	25106	12222	0.36%	32	381.94	MTSBY-AS, BY
49	20473	11444	0.33%	233	49.12	AS-VULTR - The Constant Company, LLC, US
50	12041	11439	0.33%	228	50.17	AS-AFILIAS1 - Afilias, Inc., US
Total		1818091	53.17%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	25940.0	0.76%	1	25940	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	203664	19352.0	0.57%	1	19352	LANXING-AS, CN
3	210564	13156.0	0.38%	1	13156	SWANTZTER-AS, SE
4	264525	9449.5	0.55%	5	18899	Coelho Tecnologia, BR
5	214450	9243.5	0.54%	2	18487	OGL-AS, DE
6	205651	9013.0	0.26%	1	9013	CATOFES, CN
7	141145	8354.0	0.24%	1	8354	GIGANET-AS-ID PT Giga Digital Nusantara, ID
8	211894	8131.8	1.90%	8	65054	UNGLEICH-PLACE18, CH
9	203168	6359.0	0.19%	1	6359	JLPB-AS, GB
10	199553	5997.5	1.05%	6	35985	UNGLEICH-PLACE5, CH
11	199678	5933.0	0.17%	1	5933	AS-6RW-, RU
12	204210	5500.0	0.64%	4	22000	ZEUSPACKAGINGLTD, IE
13	20915	4893.0	0.14%	1	4893	HUNDRED-PERCENT-IT, GB
14	328327	4804.0	0.70%	6	24020	ASAP-AS, ZA
15	212691	4284.5	0.25%	2	8569	ARONSTRECKER-AS, DE
16	149500	3914.2	0.46%	4	15657	SR-AS-AP Shane Renshaw, HK
17	26445	3899.0	0.11%	1	3899	OWL - 4096 SVCS LLC, US
18	198090	3894.0	0.11%	1	3894	ASLIBRA, IT
19	138535	3795.7	0.33%	3	11387	FURDEVS-AS-AP Wu Qi, CN
20	136873	3689.2	0.86%	8	29514	MEGADATA-AS-ID MEGADATA-ISP, ID
21	396509	3414.2	1.10%	13	37556	LETSCLOUD - LETSCLOUD, US
22	211645	3401.0	0.10%	1	3401	SPG, DE
23	151810	3368.5	0.39%	4	13474	PHYLAXISINC-AS-AP Phylaxis Korea, KR
24	30083	3295.0	0.29%	3	9885	AS-30083-US-VELIA-NET - velia.net, DE
25	214371	3242.0	0.09%	1	3242	HORIZON-IT, NL
26	204508	2834.0	1.41%	17	48178	MLGT, IT
27	271466	2802.8	0.82%	10	28028	UC Telecom Ltda, BR
28	199235	2798.0	0.08%	1	2798	MIKROHALO-HU-AS, HU
29	202181	2746.0	0.08%	1	2746	TAMCOM-AS, RU
30	21351	2597.4	1.29%	17	44155	CANALPLUSTELECOM, GP
31	44212	2511.0	0.29%	4	10044	ADELPHINET1-AS, IE
32	6871	2459.0	0.22%	3	7377	PLUSNET UK Internet Service Provider, GB
33	50685	2453.0	0.07%	1	2453	UNITED-NETWORKS-AS, BY
34	213035	2377.0	0.21%	3	7131	AS-SERVERION Serverion B.V., NL
35	40138	2340.4	2.60%	38	88937	MDNET - Mach Dilemma, LLC, US
36	399916	2336.0	0.07%	1	2336	PACKETSTREAM-NAM - PACKETSTREAM LLC, US
37	28598	2321.9	0.95%	14	32506	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
38	205820	2303.5	0.13%	2	4607	VDCBY-AS, BY
39	271944	2239.0	0.07%	1	2239	AUDIBEL TELECOMUNICACIONES S.A., AR
40	213092	2214.5	0.65%	12	22145	MARBLEIS, GB
41	47279	2150.0	0.06%	1	2150	TPIP-AS, DE
42	208948	2115.0	0.19%	3	6345	RECYCLED-CLOUD-AS, CH
43	199689	2095.0	0.06%	1	2095	JOSHA-PRIOR Netralex BYOIP, NL
44	274743	2082.7	0.43%	7	14579	FASTWEB TELECOMUNICACOES, BR
45	9287	2030.6	0.48%	8	16245	TIDCC-AS-AP True Internet Data Center Company Limited, TH
46	262901	2020.5	0.12%	2	4041	Vcnet Provedora de Internet Ltda., BR
47	262448	1981.5	0.64%	11	21796	DIALHOST INTERNET EIRELI, BR
48	150805	1965.0	0.11%	2	3930	A-FIN-KR-AS A-FIN KOREA CORP, KR
49	58419	1947.5	0.11%	2	3895	DATAVAIL-IN Datavail Infotech Pvt Ltd, IN
50	53147	1906.0	0.11%
Total		233950.9	23.43%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	44115	1.21%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	32469	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	25940	0.71%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	21996	0.60%	204210 -- ZEUSPACKAGINGLTD, IE
5	2a0e:aa07:e044::/48	19352	0.53%	203664 -- LANXING-AS, CN
6	2804:20fc:2000::/36	18897	0.52%	264525 -- Coelho Tecnologia, BR
7	2001:67c:20fc::/48	13157	0.36%	210564 -- SWANTZTER-AS, SE
8	2a05:4140:304::/48	11538	0.32%	204508 -- MLGT, IT
9	2406:840:e620::/48	11381	0.31%	138535 -- FURDEVS-AS-AP Wu Qi, CN
10	2a05:4140:316::/48	11104	0.30%	204508 -- MLGT, IT
11	2a05:4140:333::/48	11067	0.30%	204508 -- MLGT, IT
12	2a05:4140:380::/42	10996	0.30%	204508 -- MLGT, IT
13	2a14:3f87:9800::/38	10835	0.30%	64289 -- MACARNE - Macarne.com, US
14	2605:de00:bb::/48	9881	0.27%	30083 -- AS-30083-US-VELIA-NET - velia.net, DE
15	2a0a:e5c1:517::/48	9432	0.26%	199553 -- UNGLEICH-PLACE5, CH
16	2a0a:e5c0:45::/48	9376	0.26%	199553 -- UNGLEICH-PLACE5, CH
17	2a0a:e5c0:16::/48	9370	0.26%	199553 -- UNGLEICH-PLACE5, CH
18	2a0e:b107:19cb::/48	9343	0.26%	214450 -- OGL-AS, DE
19	2a0a:5480:1::/48	9303	0.25%	211894 -- UNGLEICH-PLACE18, CH
20	2a0a:5480:4::/48	9301	0.25%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480::/48	9293	0.25%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480:3::/48	9258	0.25%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:5::/48	9252	0.25%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480:1ac::/48	9249	0.25%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480:2::/48	9233	0.25%	211894 -- UNGLEICH-PLACE18, CH
26	2001:678:658::/48	9146	0.25%	214450 -- OGL-AS, DE
27	2a0d:2904::/44	9013	0.25%	205651 -- CATOFES, CN
28	2600:140f:3200::/48	8723	0.24%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
29	2c0f:c00:3000::/36	8630	0.24%	328327 -- ASAP-AS, ZA
30	2407:5440::/48	8354	0.23%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
31	2600:6c7f:9370::/44	8103	0.22%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
32	2c0f:c00:100::/40	7956	0.22%	328327 -- ASAP-AS, ZA
33	2a0a:e5c0:42::/48	7681	0.21%	199553 -- UNGLEICH-PLACE5, CH
34	2c0f:c00:200::/40	7432	0.20%	328327 -- ASAP-AS, ZA
35	2a02:16c8::/35	7375	0.20%	6871 -- PLUSNET UK Internet Service Provider, GB
36	2a14:7580:ed58::/46	7361	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
37	2a14:7580:ee0b::/48	7339	0.20%	215956 -- MYIP-AS MyIP.be ~ AS215956, BE
38	2804:7bf8::/34	7335	0.20%	271466 -- UC Telecom Ltda, BR
39	2804:7bf8:4000::/34	7298	0.20%	271466 -- UC Telecom Ltda, BR
40	2a0f:9400:7370::/48	7151	0.20%	213092 -- MARBLEIS, GB
41	2a10:1440::/29	7129	0.20%	213035 -- AS-SERVERION Serverion B.V., NL
42	2a0f:9400:737d::/48	7088	0.19%	213092 -- MARBLEIS, GB
43	2804:7bf8:8000::/34	6908	0.19%	271466 -- UC Telecom Ltda, BR
44	2804:51f8::/32	6797	0.19%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
45	2a03:90c0:7a0::/44	6655	0.18%	59437 -- NORTHERNDATA, DE
46	2a0f:1cc5:1b00::/48	6359	0.17%	203168 -- JLPB-AS, GB
47	2a0d:d9c3::/32	6343	0.17%	208948 -- RECYCLED-CLOUD-AS, CH
48	2804:7bf8:c000::/34	6323	0.17%	271466 -- UC Telecom Ltda, BR
49	2804:868:d059::/48	6057	0.17%	28649 -- Desktop Sigmanet Comunicacao Multimidia SA, BR
50	2001:67c:12d4::/48	5933	0.16%	199678 -- AS-6RW-, RU
Total		539627	14.76%

14 Day BGP Update Statistics Profile: 10-January-2026 00:00 - 24-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16820933
Number of Prefix Changes:	19446200
Number of Prefix Updates:	16820933
Number of Prefix Withdrawals:	2625267
Average Prefixes per BGP Update:	1.16
Average BGP Update Messages per second:	13.91
Average Prefix Updates per second:	16.08
Peak BGP Update Message Rate per second:	9832	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	9832	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Withdraw Rate per second:	3559	(20:52:40 Thu, 22-Jan-2026, )
Number of RIB Prefix Updates:	3417781	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	234924	(0.09 of recv'd withdrawals)
Peak RIB Update Rate per second:	9227	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	514	(20:52:40 Thu, 22-Jan-2026)
Seen Prefix Count:	252781
Updated Prefix Count:	245784
Stable Prefix Count:	6997
Seen Origin AS Count:	36006
Updated Origin AS Count:	35751
Stable Origin AS Count:	255
Seen Unique Path Count:	173402
Updated Path Count:	134293
Stable Path Count:	39109

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