The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 16 September 2025 01:46 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	461566	10.67%	1	461566.00	MAHDI-UMRAN, ID
2	11664	267154	6.17%	1078	247.82	Techtel LMDS Comunicaciones Interactivas S.A., AR
3	52210	262409	6.06%	6	43734.83	CANAD-111-52210, CA
4	51559	186941	4.32%	99	1888.29	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
5	203062	169429	3.92%	17	9966.41	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	202256	143377	3.31%	1856	77.25	LAWLIETNET, CN
7	22616	106372	2.46%	35	3039.20	ZSCALER-SJC1, US
8	16509	94959	2.19%	5476	17.34	AMAZON-02, US
9	7552	57814	1.34%	3973	14.55	VIETEL-AS-AP Viettel Group, VN
10	38266	54052	1.25%	1373	39.37	VIL-AS-AP Vodafone Idea Ltd, IN
11	12041	49193	1.14%	228	215.76	AS-AFILIAS1, US
12	40138	48975	1.13%	42	1166.07	MDNET, US
13	28598	47158	1.09%	15	3143.87	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
14	53667	44234	1.02%	1054	41.97	PONYNET, US
15	21351	39257	0.91%	17	2309.24	CANALPLUSTELECOM, GP
16	39409	38026	0.88%	7	5432.29	SWG-MYROOTPW, AT
17	213092	33715	0.78%	12	2809.58	MARBLEIS, GB
18	150045	30226	0.70%	2	15113.00	METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
19	28640	29373	0.68%	15	1958.20	VIPWay Telecomunicacoes Ltda, BR
20	21664	26715	0.62%	102	261.91	AMZN-BYOASN, US
21	38526	23624	0.55%	9	2624.89	IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID
22	45609	23611	0.55%	3572	6.61	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
23	139341	22740	0.53%	159	143.02	ACE-AS-AP ACE, SG
24	136873	21656	0.50%	8	2707.00	MEGADATA-AS-ID MEGADATA-ISP, ID
25	13780	20856	0.48%	10	2085.60	MILEHIGHWALRUS-NETWORK, US
26	151810	20813	0.48%	3	6937.67	PHYLAXISINC-AS-AP Phylaxis Korea, KR
27	28573	20154	0.47%	1576	12.79	Claro NXT Telecomunicacoes Ltda, BR
28	23420	19836	0.46%	1	19836.00	AS-DAVENPRO, US
29	204210	19169	0.44%	7	2738.43	ZEUSPACKAGINGLTD, IE
30	2832	19063	0.44%	1	19063.00	AS-SUNET-TESTBED, SE
31	28292	18759	0.43%	7	2679.86	ENGEPLUS INFORMATICA LTDA, BR
32	213413	18381	0.42%	10	1838.10	MICHAL-PAWSKI, PL
33	36351	18208	0.42%	68	267.76	SOFTLAYER, US
34	28458	17447	0.40%	2	8723.50	IENTC S DE RL DE CV, MX
35	26611	17035	0.39%	1196	14.24	COMUNICACION CELULAR S.A. COMCEL S.A., CO
36	28073	16684	0.39%	88	189.59	Cooperativa Electrica Trenque Lauquen, AR
37	13335	16617	0.38%	2883	5.76	CLOUDFLARENET, US
38	5416	16616	0.38%	1041	15.96	Internet Service Provider, BH
39	215084	16559	0.38%	7	2365.57	BINSAR-APIKU-, ID
40	393577	16370	0.38%	7	2338.57	TRITAN-DEVELOPMENT, US
41	200334	16257	0.38%	6	2709.50	NETOPS-TR netops lab Network Operations Center, TR
42	39891	15893	0.37%	2136	7.44	ALJAWWALSTC-AS, SA
43	45271	15718	0.36%	1311	11.99	VIL-AS-AP Vodafone Idea Ltd, IN
44	19905	15709	0.36%	19	826.79	SECURITYSERVICES, US
45	213422	15036	0.35%	2	7518.00	XGWQ, DE
46	22356	14779	0.34%	11	1343.55	Durand do Brasil Ltda, BR
47	9808	14577	0.34%	7066	2.06	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
48	215171	14029	0.32%	5	2805.80	PT. DETROIT NETWORK INDONESIA, ID
49	207852	14000	0.32%	16	875.00	Y525-NETWORK, MY
50	272053	12178	0.28%	1	12178.00	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
Total		2723319	62.93%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	461566.0	10.67%	1	461566	MAHDI-UMRAN, ID
2	52210	43734.8	6.06%	6	262409	CANAD-111-52210, CA
3	23420	19836.0	0.46%	1	19836	AS-DAVENPRO, US
4	2832	19063.0	0.44%	1	19063	AS-SUNET-TESTBED, SE
5	150045	15113.0	0.70%	2	30226	METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
6	272053	12178.0	0.28%	1	12178	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
7	203062	9966.4	3.92%	17	169429	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
8	214493	9504.0	0.22%	1	9504	FTSELL, DE
9	28458	8723.5	0.40%	2	17447	IENTC S DE RL DE CV, MX
10	40692	7725.0	0.18%	1	7725	CIS-AZ-1, US
11	37353	7670.0	0.18%	1	7670	SEACOM-AS, ZA
12	213422	7518.0	0.35%	2	15036	XGWQ, DE
13	151810	6937.7	0.48%	3	20813	PHYLAXISINC-AS-AP Phylaxis Korea, KR
14	31856	6849.0	0.16%	1	6849	CABS, ZW
15	399916	6643.0	0.15%	1	6643	PACKETSTREAM-NAM, US
16	153997	6466.0	0.15%	1	6466	PROJECTELIV-AS-AP PROJECT ELIV, KR
17	204378	6397.0	0.15%	1	6397	WAVESQUID, AU
18	41701	6010.0	0.14%	1	6010	CAP-FIN-AS, FI
19	199678	5987.0	0.14%	1	5987	AS-6RW-, RU
20	26445	5552.0	0.13%	1	5552	OWL, US
21	39409	5432.3	0.88%	7	38026	SWG-MYROOTPW, AT
22	139311	4607.5	0.21%	2	9215	STELLAIT-AS-AP Stella IT, KR
23	28657	4237.0	0.20%	2	8474	MD Brasil - Tecnologia da Informacao Ltda, BR
24	216249	4071.0	0.09%	1	4071	PHOTONSPARK, RO
25	198090	3747.0	0.09%	1	3747	ASLIBRA, IT
26	211645	3548.0	0.08%	1	3548	SPG, DE
27	141145	3313.0	0.08%	1	3313	GIGANET-AS-ID PT Giga Digital Nusantara, ID
28	216141	3293.0	0.08%	1	3293	LEATYON-AS, IT
29	24474	3162.0	0.15%	2	6324	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
30	28598	3143.9	1.09%	15	47158	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
31	210564	3109.0	0.07%	1	3109	SWANTZTER-AS, SE
32	22616	3039.2	2.46%	35	106372	ZSCALER-SJC1, US
33	21705	3008.0	0.07%	1	3008	HOUDINI-WCGB, US
34	150805	2915.0	0.20%	3	8745	A-FIN-KR-AS A-FIN KOREA CORP, KR
35	200915	2891.0	0.20%	3	8673	MRFK, NO
36	213092	2809.6	0.78%	12	33715	MARBLEIS, GB
37	215171	2805.8	0.32%	5	14029	PT. DETROIT NETWORK INDONESIA, ID
38	204210	2738.4	0.44%	7	19169	ZEUSPACKAGINGLTD, IE
39	200334	2709.5	0.38%	6	16257	NETOPS-TR netops lab Network Operations Center, TR
40	136873	2707.0	0.50%	8	21656	MEGADATA-AS-ID MEGADATA-ISP, ID
41	28292	2679.9	0.43%	7	18759	ENGEPLUS INFORMATICA LTDA, BR
42	38526	2624.9	0.55%	9	23624	IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID
43	17303	2589.0	0.12%	2	5178	NETWORK-ADVISORS, US
44	13383	2502.0	0.17%	3	7506	PHYLAXIS-NET, US
45	214092	2371.0	0.05%	1	2371	ZACHARY-EZETTA, US
46	213801	2371.0	0.11%	2	4742	NATHANMOORE, US
47	394839	2367.0	0.05%	1	2367	TRITAN-INTERNET-LLC, US
48	401135	2366.0	0.05%	1	2366	STACIE-MOYER-ASN, CA
49	215084	2365.6	0.38%	7	16559	BINSAR-APIKU-, ID
50	147036	2364.0	0.05%
Total		765327	35.69%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	461566	10.30%	214028 -- MAHDI-UMRAN, ID
2	2602:fcd3:4::/48	262134	5.85%	52210 -- CANAD-111-52210, CA
3	2a06:2c80:4000::/36	129753	2.89%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a03:eec0:3212::/48	106319	2.37%	22616 -- ZSCALER-SJC1, US
5	2804:248:100::/40	47119	1.05%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
6	2a06:2c87:e000::/36	39621	0.88%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	2a02:1391:5100::/40	38692	0.86%	21351 -- CANALPLUSTELECOM, GP
8	2605:9c40::/32	19836	0.44%	23420 -- AS-DAVENPRO, US
9	240d:c010:165::/48	19379	0.43%	139341 -- ACE-AS-AP ACE, SG
10	2a0c:b641:302::/47	19162	0.43%	204210 -- ZEUSPACKAGINGLTD, IE
11	2001:6b0:4::/48	19063	0.43%	2832 -- AS-SUNET-TESTBED, SE
12	2806:202::/32	17444	0.39%	28458 -- IENTC S DE RL DE CV, MX
13	2610:a1:1028::/48	15654	0.35%	19905 -- SECURITYSERVICES, US
14	2001:df0:ff40::/48	15419	0.34%	150045 -- METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
15	2001:df1:9240::/48	14807	0.33%	150045 -- METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
16	2803:5d10::/32	12178	0.27%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
17	2a10:9906:1002::/48	9505	0.21%	39409 -- SWG-MYROOTPW, AT
18	2a10:9906:1001::/48	9505	0.21%	39409 -- SWG-MYROOTPW, AT
19	2001:678:20c::/48	9504	0.21%	39409 -- SWG-MYROOTPW, AT
20	2a10:9902:111::/48	9504	0.21%	214493 -- FTSELL, DE
21	2a10:9906:3020::/48	9502	0.21%	39409 -- SWG-MYROOTPW, AT
22	2001:12a0:4::/48	9489	0.21%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
23	2001:12a0:a000::/48	9230	0.21%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
24	2a0f:9400:8023::/48	8731	0.19%	213092 -- MARBLEIS, GB
25	2400:c700:1085::/48	8496	0.19%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
26	2a0f:9400:737a::/48	8396	0.19%	213092 -- MARBLEIS, GB
27	2602:feda:b8c::/48	8356	0.19%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
28	2a02:b48:83f3::/48	8091	0.18%	39572 -- ADVANCEDHOSTERS-AS, NL
29	2a02:29e0:1::/48	7872	0.18%	49367 -- ASSEFLOW, IT
30	2a0f:6580:104::/48	7870	0.18%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
31	2a0f:85c1:b7a::/48	7765	0.17%	213422 -- XGWQ, DE
32	2001:12d0:840::/48	7753	0.17%	28571 -- UNIVERSIDADE DE SAO PAULO, BR
33	2607:92c0::/32	7725	0.17%	40692 -- CIS-AZ-1, US
34	2a03:2100:13::/48	7710	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:11::/48	7696	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2a03:2100:12::/48	7694	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
37	2a03:2100:29::/48	7678	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
38	2c0f:f988::/32	7671	0.17%	37353 -- SEACOM-AS, ZA
39	2a03:2100:16::/48	7659	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:20::/48	7658	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:22::/48	7654	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:2e::/48	7641	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:1d::/48	7634	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	2a03:2100:2b::/48	7625	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
45	2a03:2100:1a::/48	7612	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:26::/48	7584	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:2c::/48	7560	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:25::/48	7549	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:23::/48	7547	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:27::/48	7546	0.17%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1515158	33.78%

14 Day BGP Update Statistics Profile: 1-September-2025 00:00 - 15-September-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27589401
Number of Prefix Changes:	31384124
Number of Prefix Updates:	27589401
Number of Prefix Withdrawals:	3794723
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	22.81
Average Prefix Updates per second:	25.95
Peak BGP Update Message Rate per second:	79745	(07:24:12 Sat, 6-Sep-2025)
Peak Prefix Update Rate per second:	79745	(07:24:12 Sat, 6-Sep-2025)
Peak Prefix Withdraw Rate per second:	2892	(17:50:30 Wed, 10-Sep-2025, )
Number of RIB Prefix Updates:	4326635	(0.16 of recv'd updates)
Number of RIB Prefix Withdrawals:	156073	(0.04 of recv'd withdrawals)
Peak RIB Update Rate per second:	35390	(07:24:12 Sat, 6-Sep-2025)
Peak RIB Withdrawal Rate per second:	1189	(13:28:00 Thu, 4-Sep-2025)
Seen Prefix Count:	244042
Updated Prefix Count:	241258
Stable Prefix Count:	2784
Seen Origin AS Count:	35535
Updated Origin AS Count:	35349
Stable Origin AS Count:	186
Seen Unique Path Count:	166158
Updated Path Count:	129790
Stable Path Count:	36368

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