The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 10 December 2025 01:17 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	202256	389351	8.96%	1176	331.08	LAWLIETNET, CN
2	7552	354280	8.15%	3967	89.31	VIETEL-AS-AP Viettel Group, VN
3	22616	139212	3.20%	37	3762.49	ZSCALER-SJC1, US
4	199340	118715	2.73%	4123	28.79	HONG-GUANWAN, HK
5	16509	95453	2.20%	5440	17.55	AMAZON-02, US
6	42375	87085	2.00%	354	246.00	INET-AS, SC
7	40138	80133	1.84%	41	1954.46	MDNET, US
8	211894	66191	1.52%	8	8273.88	UNGLEICH-PLACE18, CH
9	216193	64896	1.49%	1	64896.00	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
10	272708	47935	1.10%	13	3687.31	MARTINS E SA LTDA, BR
11	48456	47893	1.10%	180	266.07	IPX-AS, AE
12	8386	47803	1.10%	20	2390.15	KOCNET, TR
13	268431	44234	1.02%	7	6319.14	netX TI LTDA, BR
14	216141	38898	0.90%	1	38898.00	LEATYON-AS, IT
15	50529	35561	0.82%	126	282.23	FN-AS, AE
16	39891	33593	0.77%	2058	16.32	ALJAWWALSTC-AS, SA
17	21351	33584	0.77%	17	1975.53	CANALPLUSTELECOM, GP
18	213092	32333	0.74%	12	2694.42	MARBLEIS, GB
19	43350	32301	0.74%	24	1345.88	NFORCE, NL
20	214732	31213	0.72%	3	10404.33	RATATOSKR RATATOSKR, US
21	32098	31017	0.71%	1667	18.61	TRANSTELCO-INC, US
22	199553	28651	0.66%	6	4775.17	UNGLEICH-PLACE5, CH
23	28126	27978	0.64%	9	3108.67	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
24	204508	26955	0.62%	18	1497.50	MLGT, IT
25	265634	26218	0.60%	29	904.07	JR INTERCOM S.R.L, AR
26	28598	26193	0.60%	14	1870.93	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
27	9829	25111	0.58%	836	30.04	BSNL-NIB National Internet Backbone, IN
28	205651	24879	0.57%	1	24879.00	CATOFES, CN
29	34567	24543	0.56%	94	261.10	NEXT-AS, HK
30	139341	23780	0.55%	177	134.35	ACE-AS-AP ACE, SG
31	38266	23217	0.53%	1394	16.65	VIL-AS-AP Vodafone Idea Ltd, IN
32	48635	21993	0.51%	21	1047.29	CLDIN-NL Your Hosting B.V. part of Your.Online, NL
33	262448	20488	0.47%	20	1024.40	DIALHOST INTERNET EIRELI, BR
34	39572	19301	0.44%	32	603.16	ADVANCEDHOSTERS-AS, NL
35	10103	19251	0.44%	12	1604.25	HKBN-AS-AP HK Broadband Network Ltd., HK
36	61573	19220	0.44%	13	1478.46	Ip Telecom, BR
37	204210	19151	0.44%	4	4787.75	ZEUSPACKAGINGLTD, IE
38	30058	18992	0.44%	143	132.81	FDCSERVERS, US
39	39686	17004	0.39%	14	1214.57	AS-EUROFIBER, NL
40	61164	16687	0.38%	57	292.75	LIR-AS, AE
41	209898	16635	0.38%	2	8317.50	UNGLEICH-UNGLEICH-UPSTREAM, CH
42	151810	16086	0.37%	4	4021.50	PHYLAXISINC-AS-AP Phylaxis Korea, KR
43	23420	16085	0.37%	1	16085.00	AS-DAVENPRO, US
44	2018	16083	0.37%	14	1148.79	TENET-1, ZA
45	17072	16046	0.37%	1410	11.38	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
46	21664	15717	0.36%	39	403.00	AMZN-BYOASN, US
47	208824	14533	0.33%	3	4844.33	POLOPRO, ES
48	9287	14523	0.33%	8	1815.38	TIDCC-AS-AP True Internet Data Center Company Limited, TH
49	6535	14308	0.33%	8	1788.50	Telmex Servicios Empresariales S.A., CL
50	45271	14305	0.33%	1242	11.52	VIL-AS-AP Vodafone Idea Ltd, IN
Total		2435614	55.98%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	216193	64896.0	1.49%	1	64896	AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
2	216141	38898.0	0.90%	1	38898	LEATYON-AS, IT
3	205651	24879.0	0.57%	1	24879	CATOFES, CN
4	23420	16085.0	0.37%	1	16085	AS-DAVENPRO, US
5	210564	12326.0	0.28%	1	12326	SWANTZTER-AS, SE
6	44297	12036.0	0.28%	1	12036	ICODIA ICODIA NETWORK INTEGRITY, FR
7	203664	11843.0	0.27%	1	11843	LANXING-AS, CN
8	272053	11652.0	0.27%	1	11652	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
9	214732	10404.3	0.72%	3	31213	RATATOSKR RATATOSKR, US
10	11761	9874.0	0.23%	1	9874	KKCLOUD, US
11	328631	9514.0	0.22%	1	9514	BallitoISP, ZA
12	92	9167.0	0.21%	1	9167	CLARKSON-AS, US
13	209898	8317.5	0.38%	2	16635	UNGLEICH-UNGLEICH-UPSTREAM, CH
14	211894	8273.9	1.52%	8	66191	UNGLEICH-PLACE18, CH
15	210305	8187.0	0.19%	1	8187	FRR-TESTLAB, US
16	271944	7071.0	0.16%	1	7071	AUDIBEL TELECOMUNICACIONES S.A., AR
17	204210	6383.7	0.44%	4	19151	ZEUSPACKAGINGLTD, IE
18	141145	6370.0	0.15%	1	6370	GIGANET-AS-ID PT Giga Digital Nusantara, ID
19	268431	6319.1	1.02%	7	44234	netX TI LTDA, BR
20	199678	5401.0	0.12%	1	5401	AS-6RW-, RU
21	52191	5283.0	0.12%	1	5283	LOCALKA-NET-AS , UA
22	399916	5067.0	0.12%	1	5067	PACKETSTREAM-NAM, US
23	20915	5035.0	0.12%	1	5035	HUNDRED-PERCENT-IT, GB
24	138535	4955.5	0.23%	3	9911	FURDEVS-AS-AP Wu Qi, CN
25	208824	4844.3	0.33%	3	14533	POLOPRO, ES
26	265314	4783.0	0.11%	1	4783	Toolsoft Tecnologia Ltda, BR
27	199553	4775.2	0.66%	6	28651	UNGLEICH-PLACE5, CH
28	30362	4695.0	0.11%	1	4695	HPT-ASN, US
29	268487	4624.0	0.11%	5	4624	PRISMA TELECOMUNICACOES LTDA. EPP, BR
30	30083	4542.0	0.31%	3	13626	AS-30083-US-VELIA-NET, DE
31	215280	4055.3	0.28%	3	12166	OCEAN-CA OCEAN NETWORKS, US
32	151810	4021.5	0.37%	4	16086	PHYLAXISINC-AS-AP Phylaxis Korea, KR
33	21570	3961.0	0.09%	5	3961	ACI-1, CA
34	198090	3909.0	0.09%	1	3909	ASLIBRA, IT
35	24474	3840.0	0.18%	2	7680	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
36	22616	3762.5	3.20%	37	139212	ZSCALER-SJC1, US
37	272708	3687.3	1.10%	13	47935	MARTINS E SA LTDA, BR
38	26445	3491.0	0.08%	1	3491	OWL, US
39	211645	3338.0	0.08%	1	3338	SPG, DE
40	264525	3260.3	0.23%	5	9781	Coelho Tecnologia, BR
41	41701	3199.0	0.07%	1	3199	CAP-FIN-AS, FI
42	266136	3159.0	0.22%	3	9477	R.A INTERNET, BR
43	28126	3108.7	0.64%	9	27978	BRISANET SERVICOS DE TELECOMUNICACOES S.A, BR
44	9287	2904.6	0.33%	8	14523	TIDCC-AS-AP True Internet Data Center Company Limited, TH
45	401106	2863.0	0.07%	2	2863	TECHIES365, US
46	199235	2780.0	0.06%	1	2780	MIKROHALO-HU-AS, HU
47	262901	2765.0	0.13%	2	5530	Vcnet Provedora de Internet Ltda., BR
48	213092	2694.4	0.74%	12	32333	MARBLEIS, GB
49	214160	2681.0	0.06%	2	2681	SHREE, GB
50	52382	2623.0	0.06%
Total		402605.1	20.09%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a03:eec0:3212::/48	139056	3.01%	22616 -- ZSCALER-SJC1, US
2	2a13:1c47:c0d0::/44	64896	1.41%	216193 -- AS-HYPERION-CLOUD HYPERION CLOUD SAS, FR
3	2a11:f2c0:ffc7::/48	38898	0.84%	216141 -- LEATYON-AS, IT
4	2a02:1391:5100::/40	33561	0.73%	21351 -- CANALPLUSTELECOM, GP
5	2a14:7c0:5300::/48	31205	0.68%	214732 -- RATATOSKR RATATOSKR, US
6	2804:248:100::/40	26126	0.57%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
7	2a0d:2904::/44	24879	0.54%	205651 -- CATOFES, CN
8	2804:511c::/33	22226	0.48%	268431 -- netX TI LTDA, BR
9	2804:511c:8000::/33	21937	0.48%	268431 -- netX TI LTDA, BR
10	2a02:b48:83f1::/48	19195	0.42%	39572 -- ADVANCEDHOSTERS-AS, NL
11	2a0c:b641:302::/47	19145	0.41%	204210 -- ZEUSPACKAGINGLTD, IE
12	240d:c010:165::/48	18652	0.40%	139341 -- ACE-AS-AP ACE, SG
13	2a0a:e5c0:76::/48	16629	0.36%	209898 -- UNGLEICH-UNGLEICH-UPSTREAM, CH
14	2605:9c40::/32	16085	0.35%	23420 -- AS-DAVENPRO, US
15	2604:bc80:8000::/33	13986	0.30%	29066 -- VELIANET-AS velia.net Internetdienste GmbH, DE
16	2605:de00:bb::/48	13624	0.30%	30083 -- AS-30083-US-VELIA-NET, DE
17	2001:67c:20fc::/48	12326	0.27%	210564 -- SWANTZTER-AS, SE
18	2a0b:f8c0::/29	12036	0.26%	44297 -- ICODIA ICODIA NETWORK INTEGRITY, FR
19	2a0e:aa07:e044::/48	11844	0.26%	203664 -- LANXING-AS, CN
20	2803:5d10::/32	11652	0.25%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
21	2406:840:e620::/48	9909	0.21%	138535 -- FURDEVS-AS-AP Wu Qi, CN
22	2602:f506::/40	9874	0.21%	11761 -- KKCLOUD, US
23	2804:20fc:2000::/36	9773	0.21%	264525 -- Coelho Tecnologia, BR
24	2c0f:e8a8::/32	9514	0.21%	328631 -- BallitoISP, ZA
25	2a0a:5480:4::/48	9343	0.20%	211894 -- UNGLEICH-PLACE18, CH
26	2a0a:5480::/48	9339	0.20%	211894 -- UNGLEICH-PLACE18, CH
27	2a0a:5480:1::/48	9338	0.20%	211894 -- UNGLEICH-PLACE18, CH
28	2a0a:5480:3::/48	9324	0.20%	211894 -- UNGLEICH-PLACE18, CH
29	2a0a:5480:5::/48	9300	0.20%	211894 -- UNGLEICH-PLACE18, CH
30	2a0a:5480:2::/48	9299	0.20%	211894 -- UNGLEICH-PLACE18, CH
31	2a0a:5480:1ac::/48	9298	0.20%	211894 -- UNGLEICH-PLACE18, CH
32	2605:6480::/32	9167	0.20%	92 -- CLARKSON-AS, US
33	2a0a:e5c0:45::/48	9005	0.20%	199553 -- UNGLEICH-PLACE5, CH
34	2a0a:e5c0:16::/48	9003	0.20%	199553 -- UNGLEICH-PLACE5, CH
35	2804:876c:4000::/34	8989	0.19%	272708 -- MARTINS E SA LTDA, BR
36	2a0a:e5c1:517::/48	8984	0.19%	199553 -- UNGLEICH-PLACE5, CH
37	2804:876c:c000::/34	8877	0.19%	272708 -- MARTINS E SA LTDA, BR
38	2804:876c:8000::/34	8847	0.19%	272708 -- MARTINS E SA LTDA, BR
39	2600:6c7f:9370::/44	8694	0.19%	19115 -- CHARTER-19115-DC, US
40	2a07:e480:110::/48	8187	0.18%	210305 -- FRR-TESTLAB, US
41	2400:7400:43::/48	8143	0.18%	23736 -- TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
42	2a13:aac4:1000::/36	7464	0.16%	204508 -- MLGT, IT
43	2800:540:2000::/44	7389	0.16%	27995 -- CLARO CHILE S.A., CL 6535 -- Telmex Servicios Empresariales S.A., CL
44	2804:876c::/34	7363	0.16%	272708 -- MARTINS E SA LTDA, BR
45	2605:9cc0:c0e::/48	7346	0.16%	21664 -- AMZN-BYOASN, US 8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
46	2a0d:d9c3::/32	7199	0.16%	208948 -- RECYCLED-CLOUD-AS, CH
47	2a02:16c8::/35	7138	0.15%	6871 -- PLUSNET UK Internet Service Provider, GB
48	2803:6610::/32	7071	0.15%	271944 -- AUDIBEL TELECOMUNICACIONES S.A., AR
49	2a14:3f87:9800::/38	6950	0.15%	64289 -- MACARNE, US
50	2402:e580:74b8::/48	6936	0.15%	40138 -- MDNET, US
Total		825021	17.87%

14 Day BGP Update Statistics Profile: 25-November-2025 00:00 - 9-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21842965
Number of Prefix Changes:	25896691
Number of Prefix Updates:	21842965
Number of Prefix Withdrawals:	4053726
Average Prefixes per BGP Update:	1.19
Average BGP Update Messages per second:	18.06
Average Prefix Updates per second:	21.41
Peak BGP Update Message Rate per second:	30069	(08:05:30 Sun, 30-Nov-2025)
Peak Prefix Update Rate per second:	30069	(08:05:30 Sun, 30-Nov-2025)
Peak Prefix Withdraw Rate per second:	824	(16:44:55 Sun, 30-Nov-2025, )
Number of RIB Prefix Updates:	4345329	(0.20 of recv'd updates)
Number of RIB Prefix Withdrawals:	269854	(0.07 of recv'd withdrawals)
Peak RIB Update Rate per second:	18998	(08:05:30 Sun, 30-Nov-2025)
Peak RIB Withdrawal Rate per second:	329	(07:37:44 Sat, 6-Dec-2025)
Seen Prefix Count:	248675
Updated Prefix Count:	198100
Stable Prefix Count:	50575
Seen Origin AS Count:	35963
Updated Origin AS Count:	33688
Stable Origin AS Count:	2275
Seen Unique Path Count:	163618
Updated Path Count:	148904
Stable Path Count:	14714

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