The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 22 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	252459	7.31%	3977	63.48	VIETEL-AS-AP Viettel Group, VN
2	18403	118459	3.43%	3594	32.96	FPT-AS-AP FPT Telecom Company, VN
3	199340	100672	2.92%	3472	29.00	HONG-GUANWAN, HK
4	16509	97932	2.84%	5426	18.05	AMAZON-02 - Amazon.com, Inc., US
5	39891	88676	2.57%	2058	43.09	ALJAWWALSTC-AS, SA
6	40138	87740	2.54%	38	2308.95	MDNET - Mach Dilemma, LLC, US
7	28126	85870	2.49%	68	1262.79	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
8	28649	66225	1.92%	77	860.06	Desktop Sigmanet Comunicacao Multimidia SA, BR
9	211894	65737	1.90%	8	8217.12	UNGLEICH-PLACE18, CH
10	204508	49806	1.44%	17	2929.76	MLGT, IT
11	21351	46745	1.35%	17	2749.71	CANALPLUSTELECOM, GP
12	199553	36768	1.06%	6	6128.00	UNGLEICH-PLACE5, CH
13	396509	36012	1.04%	13	2770.15	LETSCLOUD - LETSCLOUD, US
14	202256	34392	1.00%	137	251.04	LAWLIETNET, CN
15	28598	33532	0.97%	14	2395.14	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	136873	32464	0.94%	8	4058.00	MEGADATA-AS-ID MEGADATA-ISP, ID
17	9287	28177	0.82%	8	3522.12	TIDCC-AS-AP True Internet Data Center Company Limited, TH
18	271466	27057	0.78%	10	2705.70	UC Telecom Ltda, BR
19	328327	26779	0.78%	6	4463.17	ASAP-AS, ZA
20	137409	25715	0.74%	1102	23.33	GSLNETWORKS-AS-AP GSL Networks Pty LTD, AU
21	272053	24994	0.72%	1	24994.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
22	262448	24260	0.70%	11	2205.45	DIALHOST INTERNET EIRELI, BR
23	38266	24011	0.70%	1385	17.34	VIL-AS-AP Vodafone Idea Ltd, IN
24	45271	23480	0.68%	1250	18.78	VIL-AS-AP Vodafone Idea Ltd, IN
25	213092	23073	0.67%	12	1922.75	MARBLEIS, GB
26	212691	21465	0.62%	2	10732.50	ARONSTRECKER-AS, DE
27	10103	21161	0.61%	12	1763.42	HKBN-AS-AP HK Broadband Network Ltd., HK
28	48635	20756	0.60%	21	988.38	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
29	204210	20741	0.60%	4	5185.25	ZEUSPACKAGINGLTD, IE
30	42772	19698	0.57%	19	1036.74	A1-BY-AS, BY
31	151810	18792	0.54%	4	4698.00	PHYLAXISINC-AS-AP Phylaxis Korea, KR
32	214450	18564	0.54%	2	9282.00	OGL-AS, DE
33	30058	18449	0.53%	146	126.36	FDCSERVERS - FDCservers.net, US
34	47331	17579	0.51%	1272	13.82	TTNET, TR
35	32098	17525	0.51%	1740	10.07	TRANSTELCO-INC - Transtelco Inc, US
36	5416	17495	0.51%	1042	16.79	Internet Service Provider, BH
37	8386	16814	0.49%	20	840.70	KOCNET, TR
38	61573	16338	0.47%	13	1256.77	IP TELECOM, BR
39	43350	15877	0.46%	24	661.54	NFORCE, NL
40	210564	14678	0.43%	1	14678.00	SWANTZTER-AS, SE
41	2018	14369	0.42%	14	1026.36	TENET-1, ZA
42	13335	14298	0.41%	3129	4.57	CLOUDFLARENET - Cloudflare, Inc., US
43	205651	13752	0.40%	1	13752.00	CATOFES, CN
44	274743	13309	0.39%	7	1901.29	FASTWEB TELECOMUNICACOES, BR
45	210100	13172	0.38%	23	572.70	SQ5WEP Network. ASN used for homelab, research, education, and networking projects., PL
46	21664	13076	0.38%	37	353.41	AMZN-BYOASN - Amazon.com, Inc., US
47	203664	12354	0.36%	1	12354.00	LANXING-AS, CN
48	9423	12245	0.35%	4	3061.25	SERVERKINGIOLLC-AS-AP ServerKing.io, LLC, US
49	149500	12067	0.35%	4	3016.75	SR-AS-AP Shane Renshaw, HK
50	17072	11957	0.35%	1413	8.46	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
Total		1867566	54.09%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	272053	24994.0	0.72%	1	24994	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
2	210564	14678.0	0.43%	1	14678	SWANTZTER-AS, SE
3	205651	13752.0	0.40%	1	13752	CATOFES, CN
4	203664	12354.0	0.36%	1	12354	LANXING-AS, CN
5	212691	10732.5	0.62%	2	21465	ARONSTRECKER-AS, DE
6	214450	9282.0	0.54%	2	18564	OGL-AS, DE
7	211894	8217.1	1.90%	8	65737	UNGLEICH-PLACE18, CH
8	141145	7938.0	0.23%	1	7938	GIGANET-AS-ID PT Giga Digital Nusantara, ID
9	268487	6202.0	0.18%	5	6202	PRISMA TELECOMUNICACOES LTDA. EPP, BR
10	199553	6128.0	1.06%	6	36768	UNGLEICH-PLACE5, CH
11	199678	5986.0	0.17%	1	5986	AS-6RW-, RU
12	328327	5355.8	0.78%	6	26779	ASAP-AS, ZA
13	203168	5240.0	0.15%	1	5240	JLPB-AS, GB
14	204210	5185.2	0.60%	4	20741	ZEUSPACKAGINGLTD, IE
15	26445	4965.0	0.14%	1	4965	OWL - 4096 SVCS LLC, US
16	264525	4918.0	0.28%	5	9836	Coelho Tecnologia, BR
17	151810	4698.0	0.54%	4	18792	PHYLAXISINC-AS-AP Phylaxis Korea, KR
18	20915	4620.0	0.13%	1	4620	HUNDRED-PERCENT-IT, GB
19	136873	4058.0	0.94%	8	32464	MEGADATA-AS-ID MEGADATA-ISP, ID
20	138535	3977.0	0.35%	3	11931	FURDEVS-AS-AP Wu Qi, CN
21	30083	3918.3	0.34%	3	11755	AS-30083-US-VELIA-NET - velia.net, DE
22	198090	3891.0	0.11%	1	3891	ASLIBRA, IT
23	271944	3575.0	0.10%	1	3575	AUDIBEL TELECOMUNICACIONES S.A., AR
24	9287	3522.1	0.82%	8	28177	TIDCC-AS-AP True Internet Data Center Company Limited, TH
25	211645	3451.0	0.10%	1	3451	SPG, DE
26	399916	3301.0	0.10%	1	3301	PACKETSTREAM-NAM - PACKETSTREAM LLC, US
27	396509	3273.8	1.04%	13	36012	LETSCLOUD - LETSCLOUD, US
28	9423	3061.2	0.35%	4	12245	SERVERKINGIOLLC-AS-AP ServerKing.io, LLC, US
29	149500	3016.8	0.35%	4	12067	SR-AS-AP Shane Renshaw, HK
30	204508	2929.8	1.44%	17	49806	MLGT, IT
31	199235	2823.0	0.08%	1	2823	MIKROHALO-HU-AS, HU
32	21351	2749.7	1.35%	17	46745	CANALPLUSTELECOM, GP
33	271466	2705.7	0.78%	10	27057	UC Telecom Ltda, BR
34	262901	2632.5	0.15%	2	5265	Vcnet Provedora de Internet Ltda., BR
35	47279	2546.0	0.07%	1	2546	TPIP-AS, DE
36	210796	2529.0	0.15%	2	5058	BJOERN-SCHLEYER Bjoern Schleyer, DE
37	53147	2513.5	0.15%	2	5027	FONTES SOLUCOES TECNOLOGICAS LTDA, BR
38	44212	2512.0	0.29%	4	10048	ADELPHINET1-AS, IE
39	209898	2499.5	0.14%	2	4999	UNGLEICH-UNGLEICH-UPSTREAM, CH
40	28598	2395.1	0.97%	14	33532	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
41	153997	2393.5	0.14%	2	4787	PROJECTELIV-AS-AP PROJECT ELIV, KR
42	151650	2375.0	0.07%	1	2375	SWITCHFIBER-AS-AP Switch Fiber, PH
43	214371	2354.0	0.07%	1	2354	HORIZON-IT, NL
44	40138	2308.9	2.54%	38	87740	MDNET - Mach Dilemma, LLC, US
45	213092	2307.3	0.67%	12	23073	MARBLEIS, GB
46	50685	2279.0	0.07%	1	2279	UNITED-NETWORKS-AS, BY
47	262448	2205.5	0.70%	11	24260	DIALHOST INTERNET EIRELI, BR
48	199689	2146.0	0.06%	1	2146	JOSHA-PRIOR Netralex BYOIP, NL
49	208948	2121.7	0.18%	3	6365	RECYCLED-CLOUD-AS, CH
50	205820	2119.5	0.12%
Total		245737	24.02%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a02:1391:5100::/40	46714	1.24%	21351 -- CANALPLUSTELECOM, GP
2	2804:248:100::/40	33476	0.89%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
3	2803:5d10::/32	24994	0.67%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
4	2a0c:b641:302::/47	20736	0.55%	204210 -- ZEUSPACKAGINGLTD, IE
5	2001:67c:20fc::/48	14679	0.39%	210564 -- SWANTZTER-AS, SE
6	2a0d:2904::/44	13752	0.37%	205651 -- CATOFES, CN
7	2a0e:8f02:f05e::/48	13602	0.36%	212691 -- ARONSTRECKER-AS, DE
8	2a0e:aa07:e044::/48	12354	0.33%	203664 -- LANXING-AS, CN
9	2406:840:e620::/48	11870	0.32%	138535 -- FURDEVS-AS-AP Wu Qi, CN
10	2605:de00:bb::/48	11753	0.31%	30083 -- AS-30083-US-VELIA-NET - velia.net, DE
11	2a05:4140:304::/48	11425	0.30%	204508 -- MLGT, IT
12	2a05:4140:333::/48	11112	0.30%	204508 -- MLGT, IT
13	2a05:4140:316::/48	11092	0.30%	204508 -- MLGT, IT
14	2a05:4140:380::/42	11070	0.29%	204508 -- MLGT, IT
15	2804:20fc:2000::/36	9834	0.26%	264525 -- Coelho Tecnologia, BR
16	2a0a:e5c1:517::/48	9485	0.25%	199553 -- UNGLEICH-PLACE5, CH
17	2a0a:e5c0:45::/48	9445	0.25%	199553 -- UNGLEICH-PLACE5, CH
18	2a0a:e5c0:16::/48	9441	0.25%	199553 -- UNGLEICH-PLACE5, CH
19	2001:678:658::/48	9371	0.25%	214450 -- OGL-AS, DE
20	2a0a:5480:1::/48	9369	0.25%	211894 -- UNGLEICH-PLACE18, CH
21	2a0a:5480:4::/48	9365	0.25%	211894 -- UNGLEICH-PLACE18, CH
22	2a0a:5480::/48	9356	0.25%	211894 -- UNGLEICH-PLACE18, CH
23	2a0a:5480:5::/48	9342	0.25%	211894 -- UNGLEICH-PLACE18, CH
24	2a0a:5480:3::/48	9339	0.25%	211894 -- UNGLEICH-PLACE18, CH
25	2a0a:5480:1ac::/48	9338	0.25%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480:2::/48	9321	0.25%	211894 -- UNGLEICH-PLACE18, CH
27	2a0e:b107:19cb::/48	9193	0.24%	214450 -- OGL-AS, DE
28	2c0f:c00:3000::/36	9024	0.24%	328327 -- ASAP-AS, ZA
29	2c0f:c00:200::/40	8883	0.24%	328327 -- ASAP-AS, ZA
30	2c0f:c00:100::/40	8870	0.24%	328327 -- ASAP-AS, ZA
31	2a14:3f87:9800::/38	8582	0.23%	64289 -- MACARNE - Macarne.com, US
32	2600:6c7f:9370::/44	8544	0.23%	19115 -- CHARTER-19115-DC - Charter Communications LLC, US
33	2a0a:e5c0:42::/48	8131	0.22%	199553 -- UNGLEICH-PLACE5, CH
34	2600:140f:3200::/48	8118	0.22%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
35	2407:5440::/48	7938	0.21%	141145 -- GIGANET-AS-ID PT Giga Digital Nusantara, ID
36	2001:678:114::/48	7863	0.21%	212691 -- ARONSTRECKER-AS, DE
37	2a0f:9400:7370::/48	7393	0.20%	213092 -- MARBLEIS, GB
38	2804:7bf8::/34	7252	0.19%	271466 -- UC Telecom Ltda, BR
39	2a0f:9400:737d::/48	7251	0.19%	213092 -- MARBLEIS, GB
40	240d:c010:165::/48	7228	0.19%	139341 -- ACE-AS-AP ACE, SG
41	2804:7bf8:4000::/34	7170	0.19%	271466 -- UC Telecom Ltda, BR
42	2804:7bf8:8000::/34	6397	0.17%	271466 -- UC Telecom Ltda, BR
43	2a0d:d9c3::/32	6363	0.17%	208948 -- RECYCLED-CLOUD-AS, CH
44	2804:b44:1000::/36	6221	0.17%	262448 -- DIALHOST INTERNET EIRELI, BR
45	2804:51f8::/32	6202	0.17%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
46	2804:7bf8:c000::/34	6088	0.16%	271466 -- UC Telecom Ltda, BR
47	2804:b44:a000::/36	6082	0.16%	262448 -- DIALHOST INTERNET EIRELI, BR
48	2605:9cc0:c0e::/48	6049	0.16%	21664 -- AMZN-BYOASN - Amazon.com, Inc., US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
49	2804:b44::/36	6014	0.16%	262448 -- DIALHOST INTERNET EIRELI, BR
50	2a0a:6040:d621::/48	6004	0.16%	200936 -- GUO-AS Chengjie Guos Experimental Network, CN
Total		538495	14.35%

14 Day BGP Update Statistics Profile: 7-January-2026 00:00 - 21-January-2026 23:59 (UTC+1000)

Number of BGP Update Messages:	16536621
Number of Prefix Changes:	19325837
Number of Prefix Updates:	16536621
Number of Prefix Withdrawals:	2789216
Average Prefixes per BGP Update:	1.17
Average BGP Update Messages per second:	13.67
Average Prefix Updates per second:	15.98
Peak BGP Update Message Rate per second:	9272	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Update Rate per second:	9272	(06:13:50 Thu, 15-Jan-2026)
Peak Prefix Withdraw Rate per second:	4055	(12:10:34 Sat, 10-Jan-2026, )
Number of RIB Prefix Updates:	3452902	(0.21 of recv'd updates)
Number of RIB Prefix Withdrawals:	300276	(0.11 of recv'd withdrawals)
Peak RIB Update Rate per second:	8715	(06:13:50 Thu, 15-Jan-2026)
Peak RIB Withdrawal Rate per second:	3293	(15:59:44 Fri, 9-Jan-2026)
Seen Prefix Count:	253741
Updated Prefix Count:	246542
Stable Prefix Count:	7199
Seen Origin AS Count:	36162
Updated Origin AS Count:	35915
Stable Origin AS Count:	247
Seen Unique Path Count:	177973
Updated Path Count:	140585
Stable Path Count:	37388

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