The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 18 September 2025 01:40 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	214028	1411380	28.39%	1	1411380.00	MAHDI-UMRAN, ID
2	52210	262420	5.28%	6	43736.67	CANAD-111-52210, CA
3	11664	216579	4.36%	1078	200.91	Techtel LMDS Comunicaciones Interactivas S.A., AR
4	203062	212018	4.26%	18	11778.78	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
5	51559	151935	3.06%	99	1534.70	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
6	202256	147843	2.97%	1856	79.66	LAWLIETNET, CN
7	22616	114699	2.31%	36	3186.08	ZSCALER-SJC1, US
8	16509	87991	1.77%	5473	16.08	AMAZON-02, US
9	40138	50725	1.02%	42	1207.74	MDNET, US
10	204508	49292	0.99%	18	2738.44	MLGT, IT
11	12041	48681	0.98%	228	213.51	AS-AFILIAS1, US
12	53667	44990	0.90%	1054	42.69	PONYNET, US
13	38266	44492	0.89%	1373	32.40	VIL-AS-AP Vodafone Idea Ltd, IN
14	21351	38347	0.77%	17	2255.71	CANALPLUSTELECOM, GP
15	39409	37771	0.76%	7	5395.86	SWG-MYROOTPW, AT
16	150045	37222	0.75%	2	18611.00	METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
17	7552	34366	0.69%	3973	8.65	VIETEL-AS-AP Viettel Group, VN
18	28598	30325	0.61%	15	2021.67	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
19	36351	29301	0.59%	68	430.90	SOFTLAYER, US
20	21664	27532	0.55%	102	269.92	AMZN-BYOASN, US
21	28640	24854	0.50%	15	1656.93	VIPWay Telecomunicacoes Ltda, BR
22	139341	24487	0.49%	159	154.01	ACE-AS-AP ACE, SG
23	213092	23024	0.46%	12	1918.67	MARBLEIS, GB
24	13780	22174	0.45%	10	2217.40	MILEHIGHWALRUS-NETWORK, US
25	38526	21856	0.44%	9	2428.44	IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID
26	151810	19502	0.39%	3	6500.67	PHYLAXISINC-AS-AP Phylaxis Korea, KR
27	23420	19465	0.39%	1	19465.00	AS-DAVENPRO, US
28	204210	19068	0.38%	7	2724.00	ZEUSPACKAGINGLTD, IE
29	2832	18871	0.38%	1	18871.00	AS-SUNET-TESTBED, SE
30	10103	18784	0.38%	12	1565.33	HKBN-AS-AP HK Broadband Network Ltd., HK
31	136873	18596	0.37%	8	2324.50	MEGADATA-AS-ID MEGADATA-ISP, ID
32	28458	18572	0.37%	2	9286.00	IENTC S DE RL DE CV, MX
33	28573	17468	0.35%	1576	11.08	Claro NXT Telecomunicacoes Ltda, BR
34	26611	16564	0.33%	1196	13.85	COMUNICACION CELULAR S.A. COMCEL S.A., CO
35	45271	16318	0.33%	1311	12.45	VIL-AS-AP Vodafone Idea Ltd, IN
36	200334	16128	0.32%	6	2688.00	NETOPS-TR netops lab Network Operations Center, TR
37	19905	15805	0.32%	19	831.84	SECURITYSERVICES, US
38	28292	15370	0.31%	7	2195.71	ENGEPLUS INFORMATICA LTDA, BR
39	13335	15015	0.30%	2883	5.21	CLOUDFLARENET, US
40	52257	14136	0.28%	652	21.68	Telconet S.A, EC
41	215171	14002	0.28%	5	2800.40	PT. DETROIT NETWORK INDONESIA, ID
42	27947	13828	0.28%	701	19.73	Telconet S.A, EC
43	207852	13642	0.27%	16	852.62	Y525-NETWORK, MY
44	213422	13534	0.27%	2	6767.00	XGWQ, DE
45	22356	12885	0.26%	11	1171.36	Durand do Brasil Ltda, BR
46	28073	11486	0.23%	88	130.52	Cooperativa Electrica Trenque Lauquen, AR
47	200936	11311	0.23%	19	595.32	GUO-AS Chengjie Guos Experimental Network, CN
48	28649	11175	0.22%	63	177.38	Desktop Sigmanet Comunicacao Multimidia SA, BR
49	213124	11175	0.22%	9	1241.67	ZYLINKTECH, US
50	45609	10600	0.21%	3577	2.96	BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
Total		3577604	71.91%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	214028	1411380.0	28.39%	1	1411380	MAHDI-UMRAN, ID
2	52210	43736.7	5.28%	6	262420	CANAD-111-52210, CA
3	23420	19465.0	0.39%	1	19465	AS-DAVENPRO, US
4	2832	18871.0	0.38%	1	18871	AS-SUNET-TESTBED, SE
5	150045	18611.0	0.75%	2	37222	METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
6	203062	11778.8	4.26%	18	212018	ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
7	272053	10512.0	0.21%	1	10512	ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
8	214493	9442.0	0.19%	1	9442	FTSELL, DE
9	28458	9286.0	0.37%	2	18572	IENTC S DE RL DE CV, MX
10	37353	8310.0	0.17%	1	8310	SEACOM-AS, ZA
11	40692	7643.0	0.15%	1	7643	CIS-AZ-1, US
12	213422	6767.0	0.27%	2	13534	XGWQ, DE
13	399916	6533.0	0.13%	1	6533	PACKETSTREAM-NAM, US
14	151810	6500.7	0.39%	3	19502	PHYLAXISINC-AS-AP Phylaxis Korea, KR
15	153997	6272.0	0.13%	1	6272	PROJECTELIV-AS-AP PROJECT ELIV, KR
16	31856	6152.0	0.12%	1	6152	CABS, ZW
17	41701	6029.0	0.12%	1	6029	CAP-FIN-AS, FI
18	199678	5947.0	0.12%	1	5947	AS-6RW-, RU
19	39409	5395.9	0.76%	7	37771	SWG-MYROOTPW, AT
20	26445	5297.0	0.11%	1	5297	OWL, US
21	204378	4781.0	0.10%	1	4781	WAVESQUID, AU
22	216141	4059.0	0.08%	1	4059	LEATYON-AS, IT
23	139311	4055.0	0.16%	2	8110	STELLAIT-AS-AP Stella IT, KR
24	198090	3720.0	0.07%	1	3720	ASLIBRA, IT
25	211645	3536.0	0.07%	1	3536	SPG, DE
26	141145	3322.0	0.07%	1	3322	GIGANET-AS-ID PT Giga Digital Nusantara, ID
27	22616	3186.1	2.31%	36	114699	ZSCALER-SJC1, US
28	28657	3011.0	0.12%	2	6022	MD Brasil - Tecnologia da Informacao Ltda, BR
29	200915	2886.7	0.17%	3	8660	MRFK, NO
30	215171	2800.4	0.28%	5	14002	PT. DETROIT NETWORK INDONESIA, ID
31	204508	2738.4	0.99%	18	49292	MLGT, IT
32	204210	2724.0	0.38%	7	19068	ZEUSPACKAGINGLTD, IE
33	200334	2688.0	0.32%	6	16128	NETOPS-TR netops lab Network Operations Center, TR
34	17303	2646.0	0.11%	2	5292	NETWORK-ADVISORS, US
35	24474	2599.0	0.10%	2	5198	ASNPANYCAST Nepal Internet Exchange NP Anycast, NP
36	150805	2483.0	0.15%	3	7449	A-FIN-KR-AS A-FIN KOREA CORP, KR
37	38526	2428.4	0.44%	9	21856	IDNIC-PEMKOTYK-AS-ID Dinas Komunikasi Informatika dan Persandian Kota Yogyakarta, ID
38	13383	2374.7	0.14%	3	7124	PHYLAXIS-NET, US
39	210564	2372.0	0.05%	1	2372	SWANTZTER-AS, SE
40	136873	2324.5	0.37%	8	18596	MEGADATA-AS-ID MEGADATA-ISP, ID
41	57928	2324.0	0.05%	1	2324	PRODWARE-AS, FR
42	21351	2255.7	0.77%	17	38347	CANALPLUSTELECOM, GP
43	13780	2217.4	0.45%	10	22174	MILEHIGHWALRUS-NETWORK, US
44	28292	2195.7	0.31%	7	15370	ENGEPLUS INFORMATICA LTDA, BR
45	201925	2055.5	0.08%	2	4111	EPIX-EPINET, PL
46	16735	2051.0	0.17%	4	8204	ALGAR TELECOM SA, BR
47	28598	2021.7	0.61%	15	30325	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
48	20915	1973.0	0.04%	1	1973	HUNDRED-PERCENT-IT, GB
49	216249	1923.0	0.04%	1	1923	PHOTONSPARK, RO
50	213092	1918.7	0.46%
Total		1705600	52.15%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a0f:85c1:8b9::/48	1411380	27.50%	214028 -- MAHDI-UMRAN, ID
2	2602:fcd3:4::/48	262129	5.11%	52210 -- CANAD-111-52210, CA
3	2a06:2c80:4000::/36	148346	2.89%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
4	2a03:eec0:3212::/48	114646	2.23%	22616 -- ZSCALER-SJC1, US
5	2a06:2c87:e000::/36	63615	1.24%	203062 -- ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux trading as ASR INFOPRO, FR
6	2a02:1391:5100::/40	37965	0.74%	21351 -- CANALPLUSTELECOM, GP
7	2804:248:100::/40	30288	0.59%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
8	240d:c010:165::/48	19482	0.38%	139341 -- ACE-AS-AP ACE, SG
9	2605:9c40::/32	19465	0.38%	23420 -- AS-DAVENPRO, US
10	2a0c:b641:302::/47	19059	0.37%	204210 -- ZEUSPACKAGINGLTD, IE
11	2001:df0:ff40::/48	18927	0.37%	150045 -- METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
12	2001:6b0:4::/48	18871	0.37%	2832 -- AS-SUNET-TESTBED, SE
13	2806:202::/32	18571	0.36%	28458 -- IENTC S DE RL DE CV, MX
14	2001:df1:9240::/48	18295	0.36%	150045 -- METANET-AS-IN Metanet Telecommunications India Opc Pvt Ltd, IN
15	2610:a1:1028::/48	15750	0.31%	19905 -- SECURITYSERVICES, US
16	2a05:4140:304::/48	11504	0.22%	204508 -- MLGT, IT
17	2a05:4140:333::/48	11486	0.22%	204508 -- MLGT, IT
18	2a05:4140:380::/42	11474	0.22%	204508 -- MLGT, IT
19	2a05:4140:316::/48	11459	0.22%	204508 -- MLGT, IT
20	2803:5d10::/32	10512	0.20%	272053 -- ANTUNES FLORES SERGIO OMAR NUEVA NET, AR
21	2607:74c0:110::/44	10470	0.20%	10103 -- HKBN-AS-AP HK Broadband Network Ltd., HK
22	2a10:9906:1001::/48	9443	0.18%	39409 -- SWG-MYROOTPW, AT
23	2a10:9906:1002::/48	9443	0.18%	39409 -- SWG-MYROOTPW, AT
24	2a10:9902:111::/48	9442	0.18%	214493 -- FTSELL, DE
25	2001:678:20c::/48	9441	0.18%	39409 -- SWG-MYROOTPW, AT
26	2a10:9906:3020::/48	9440	0.18%	39409 -- SWG-MYROOTPW, AT
27	2400:c700:1085::/48	8496	0.17%	55644 -- VIL-AS-AP Vodafone Idea Ltd, IN
28	2c0f:f988::/32	8310	0.16%	37353 -- SEACOM-AS, ZA
29	2602:feda:b8c::/48	8287	0.16%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
30	2001:12a0:4::/48	7852	0.15%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
31	2a02:29e0:1::/48	7823	0.15%	49367 -- ASSEFLOW, IT
32	2a0f:6580:104::/48	7800	0.15%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
33	2607:92c0::/32	7643	0.15%	40692 -- CIS-AZ-1, US
34	2a03:2100:29::/48	7588	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:24::/48	7483	0.15%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2001:12a0:a000::/48	7444	0.15%	28292 -- ENGEPLUS INFORMATICA LTDA, BR
37	2a0f:6283:1400::/40	7297	0.14%	213422 -- XGWQ, DE
38	2a02:b48:83f3::/48	7224	0.14%	39572 -- ADVANCEDHOSTERS-AS, NL
39	2607:eb40:6974::/48	7100	0.14%	13383 -- PHYLAXIS-NET, US
40	2605:9cc0:c14::/48	7079	0.14%	16509 -- AMAZON-02, US 21664 -- AMZN-BYOASN, US
41	2402:be0:4000::/34	6907	0.13%	151810 -- PHYLAXISINC-AS-AP Phylaxis Korea, KR
42	2a06:a005:4b0::/44	6832	0.13%	207852 -- Y525-NETWORK, MY
43	2a0e:b107:270::/48	6791	0.13%	207852 -- Y525-NETWORK, MY
44	2402:be0:feff::/48	6780	0.13%	139311 -- STELLAIT-AS-AP Stella IT, KR
45	2600:6c7f:9370::/44	6707	0.13%	19115 -- CHARTER-19115-DC, US
46	2402:be0::/34	6634	0.13%	151810 -- PHYLAXISINC-AS-AP Phylaxis Korea, KR
47	2402:be0:fefd::/48	6582	0.13%	151349 -- YUKI-NET-AS-AP Yuki Network Ltd, KR
48	2402:be0:fefb::/48	6533	0.13%	399916 -- PACKETSTREAM-NAM, US
49	2402:be0:fefe::/48	6272	0.12%	153997 -- PROJECTELIV-AS-AP PROJECT ELIV, KR
50	2a0f:85c1:b7a::/48	6237	0.12%	213422 -- XGWQ, DE
Total		2504604	48.76%

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

Number of BGP Update Messages:	27055042
Number of Prefix Changes:	30843267
Number of Prefix Updates:	27055042
Number of Prefix Withdrawals:	3788225
Average Prefixes per BGP Update:	1.14
Average BGP Update Messages per second:	22.37
Average Prefix Updates per second:	25.50
Peak BGP Update Message Rate per second:	99674	(07:24:12 Sat, 6-Sep-2025)
Peak Prefix Update Rate per second:	99674	(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:	4971647	(0.18 of recv'd updates)
Number of RIB Prefix Withdrawals:	160179	(0.04 of recv'd withdrawals)
Peak RIB Update Rate per second:	45579	(07:24:12 Sat, 6-Sep-2025)
Peak RIB Withdrawal Rate per second:	1442	(13:28:00 Thu, 4-Sep-2025)
Seen Prefix Count:	244482
Updated Prefix Count:	241966
Stable Prefix Count:	2516
Seen Origin AS Count:	35556
Updated Origin AS Count:	35387
Stable Origin AS Count:	169
Seen Unique Path Count:	169279
Updated Path Count:	134559
Stable Path Count:	34720

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