The BGP IPv6 Instability Report

This report is updated daily. The current report
was generated on 1 June 2025 01:20 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	138997	336696	7.89%	18	18705.33	EDCL-AS-AP Eons Data Communications Limited, HK
2	151194	271142	6.36%	142	1909.45	STELIGHT-AS-AP Zhu Yucheng, CN
3	51559	261162	6.12%	114	2290.89	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
4	203020	256765	6.02%	43	5971.28	HOSTROYALE, IN
5	4767	116276	2.73%	1	116276.00	AIT-CS-ASN Computer Science, TH
6	16509	103923	2.44%	5241	19.83	AMAZON-02, US
7	7552	76807	1.80%	3917	19.61	VIETEL-AS-AP Viettel Group, VN
8	11172	71552	1.68%	2920	24.50	Alestra, S. de R.L. de C.V., MX
9	2472	64918	1.52%	1	64918.00	FR-DOM-GUYANE Guyane Francaise, EU
10	22616	64447	1.51%	33	1952.94	ZSCALER-SJC1, US
11	208385	64026	1.50%	1	64026.00	ALERTAB, PT
12	2199	63221	1.48%	1	63221.00	FR-DOM-MARTINIQUE Iles de la Martinique, EU
13	202256	62695	1.47%	896	69.97	LAWLIETNET, CN
14	39572	56706	1.33%	37	1532.59	ADVANCEDHOSTERS-AS, NL
15	42298	47721	1.12%	697	68.47	GCC-MPLS-PEERING GCC MPLS peering, QA
16	262505	45669	1.07%	33	1383.91	N4 Telecomunicacoes LTDA - ME, BR
17	12041	45053	1.06%	223	202.03	AS-AFILIAS1, US
18	53667	40984	0.96%	1054	38.88	PONYNET, US
19	40138	39019	0.91%	42	929.02	MDNET, US
20	204374	38462	0.90%	18	2136.78	LEONARDO-SYSTEMS, BR
21	38266	35581	0.83%	1437	24.76	VIL-AS-AP Vodafone Idea Ltd, IN
22	10103	35247	0.83%	12	2937.25	HKBN-AS-AP HK Broadband Network Ltd., HK
23	7162	32693	0.77%	14	2335.21	Universo Online S.A., BR
24	264987	31205	0.73%	7	4457.86	RBR TELECOM SERVICOS DE TELEFONIA LIMITADA, BR
25	263028	31095	0.73%	7	4442.14	Roveri Opcao Provedor de Acesso a Internet Ltda ME, BR
26	28458	30195	0.71%	2	15097.50	IENTC S DE RL DE CV, MX
27	271060	26727	0.63%	24	1113.62	INOVAIP TELECOM LTDA, BR
28	206067	22132	0.52%	55	402.40	H3GUK, GB
29	45271	21284	0.50%	1343	15.85	VIL-AS-AP Vodafone Idea Ltd, IN
30	23420	20504	0.48%	1	20504.00	AS-DAVENPRO, US
31	9829	19762	0.46%	744	26.56	BSNL-NIB National Internet Backbone, IN
32	11664	19758	0.46%	1025	19.28	Techtel LMDS Comunicaciones Interactivas S.A., AR
33	41313	19147	0.45%	6	3191.17	NOVATEL-AS 2 Kukush str., floor 1, office 102, BG
34	263390	18774	0.44%	23	816.26	FNT Telecomunicacoes e Acesso a Redes de Internet, BR
35	28573	18245	0.43%	1588	11.49	Claro NXT Telecomunicacoes Ltda, BR
36	39891	17108	0.40%	2073	8.25	ALJAWWALSTC-AS, SA
37	28598	16927	0.40%	15	1128.47	DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
38	32653	16100	0.38%	3	5366.67	ENETWORKS, ZA
39	36183	13890	0.33%	1772	7.84	AKAMAI-AS, US
40	139341	13554	0.32%	136	99.66	ACE-AS-AP ACE, SG
41	43766	13413	0.31%	753	17.81	MTC-KSA-AS, SA
42	9808	13320	0.31%	6636	2.01	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
43	5416	13094	0.31%	1041	12.58	Internet Service Provider, BH
44	13335	13059	0.31%	2823	4.63	CLOUDFLARENET, US
45	266020	13017	0.31%	2	6508.50	ICLICK TELECOM, BR
46	17072	11644	0.27%	1271	9.16	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
47	204210	11525	0.27%	7	1646.43	ZEUSPACKAGINGLTD, IE
48	13780	10830	0.25%	10	1083.00	MILEHIGHWALRUS-NETWORK, US
49	200334	10822	0.25%	6	1803.67	NETOPS-TR netops lab Network Operations Center, TR
50	19905	10799	0.25%	26	415.35	SECURITYSERVICES, US
Total		2708695	63.51%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	4767	116276.0	2.73%	1	116276	AIT-CS-ASN Computer Science, TH
2	2472	64918.0	1.52%	1	64918	FR-DOM-GUYANE Guyane Francaise, EU
3	208385	64026.0	1.50%	1	64026	ALERTAB, PT
4	2199	63221.0	1.48%	1	63221	FR-DOM-MARTINIQUE Iles de la Martinique, EU
5	23420	20504.0	0.48%	1	20504	AS-DAVENPRO, US
6	138997	18705.3	7.89%	18	336696	EDCL-AS-AP Eons Data Communications Limited, HK
7	28458	15097.5	0.71%	2	30195	IENTC S DE RL DE CV, MX
8	29009	10576.0	0.25%	1	10576	UKBROADBAND-AS, GB
9	141145	7288.0	0.17%	1	7288	GIGANET-AS-ID PT Giga Digital Nusantara, ID
10	37353	7123.0	0.17%	1	7123	SEACOM-AS, ZA
11	266020	6508.5	0.31%	2	13017	ICLICK TELECOM, BR
12	398862	6246.0	0.15%	1	6246	AMBULATORYCLAM, US
13	203020	5971.3	6.02%	43	256765	HOSTROYALE, IN
14	272200	5907.0	0.14%	1	5907	MAIS TELEFONIA SISTEMAS E CONECTIVIDADES, BR
15	41701	5493.0	0.13%	1	5493	CAP-FIN-AS, FI
16	32653	5366.7	0.38%	3	16100	ENETWORKS, ZA
17	38808	5212.0	0.12%	1	5212	IMZAK-TRANSIT-AS-AP NIGSUN LIMITED - IP SERVICES, PK
18	199678	4943.0	0.12%	1	4943	AS-6RW-, RU
19	266333	4506.0	0.11%	1	4506	EBER ADRIEL CREPALDI PERNAS - ME, BR
20	264987	4457.9	0.73%	7	31205	RBR TELECOM SERVICOS DE TELEFONIA LIMITADA, BR
21	263028	4442.1	0.73%	7	31095	Roveri Opcao Provedor de Acesso a Internet Ltda ME, BR
22	270262	4430.0	0.10%	1	4430	BADYNET TELECOM LTDA, BR
23	268557	4428.0	0.10%	1	4428	A B DA SILVA TELECOMUNICACOES, BR
24	30362	4384.0	0.10%	1	4384	HPT-ASN, US
25	204378	3836.0	0.09%	1	3836	WAVESQUID, AU
26	198090	3807.0	0.09%	1	3807	ASLIBRA, IT
27	262535	3707.0	0.09%	1	3707	Flash Net Brasil Telecom Ltda - EPP, BR
28	41313	3191.2	0.45%	6	19147	NOVATEL-AS 2 Kukush str., floor 1, office 102, BG
29	10103	2937.2	0.83%	12	35247	HKBN-AS-AP HK Broadband Network Ltd., HK
30	36262	2930.0	0.07%	1	2930	HASHTABLE, US
31	42455	2927.0	0.07%	1	2927	WI-MANX-AS, IM
32	199909	2925.0	0.07%	1	2925	ELITETELE, GB
33	30083	2797.0	0.20%	3	8391	AS-30083-US-VELIA-NET, DE
34	271108	2755.0	0.06%	1	2755	HBA TELECOM LTDA - ME, BR
35	51844	2590.0	0.06%	1	2590	OKPATH * This ASN is used for OKPATH Networks *, US
36	7162	2335.2	0.77%	14	32693	Universo Online S.A., BR
37	51559	2290.9	6.12%	114	261162	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
38	396997	2245.0	0.05%	1	2245	AS-BLOCKSTREAM, US
39	28657	2229.0	0.10%	2	4458	MD Brasil - Tecnologia da Informacao Ltda, BR
40	201925	2171.5	0.10%	2	4343	EPIX-EPINET, PL
41	57928	2160.0	0.05%	1	2160	PRODWARE-AS, FR
42	204374	2136.8	0.90%	18	38462	LEONARDO-SYSTEMS, BR
43	401441	2129.0	0.05%	1	2129	GOOSEWORKS, US
44	268487	2112.0	0.25%	5	10560	PRISMA TELECOMUNICACOES LTDA. EPP, BR
45	149500	2057.5	0.19%	4	8230	SR-AS-AP Shane Renshaw, HK
46	22616	1952.9	1.51%	33	64447	ZSCALER-SJC1, US
47	151194	1909.5	6.36%	142	271142	STELIGHT-AS-AP Zhu Yucheng, CN
48	133616	1817.0	0.04%	1	1817	BEACHHEADGROUP-AS-AP Beachhead Group Pty. Ltd., AU
49	200334	1803.7	0.25%	6	10822	NETOPS-TR netops lab Network Operations Center, TR
50	264991	1713.0	0.04%
Total		525495.7	45.00%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	2a06:3040:10::/48	255453	5.83%	203020 -- HOSTROYALE, IN
2	2403:e240::/32	116276	2.65%	4767 -- AIT-CS-ASN Computer Science, TH
3	2404:c140:157::/48	68398	1.56%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
4	2404:c140:230::/47	67444	1.54%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
5	2404:c140:2102::/48	66482	1.52%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
6	2404:c140:220::/48	66174	1.51%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
7	2001:661:4000::/35	64918	1.48%	2472 -- FR-DOM-GUYANE Guyane Francaise, EU
8	2a03:eec0:3212::/48	64389	1.47%	22616 -- ZSCALER-SJC1, US
9	2a0c:b641:470::/44	64026	1.46%	208385 -- ALERTAB, PT
10	2001:661:2000::/35	63221	1.44%	2199 -- FR-DOM-MARTINIQUE Iles de la Martinique, EU
11	2404:c140:156::/48	36682	0.84%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
12	2404:c140:2003::/48	31392	0.72%	138997 -- EDCL-AS-AP Eons Data Communications Limited, HK
13	2806:202::/32	30194	0.69%	28458 -- IENTC S DE RL DE CV, MX
14	2605:9c40::/32	20504	0.47%	23420 -- AS-DAVENPRO, US
15	2804:248:100::/40	16881	0.39%	28598 -- DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
16	2a00:e200:105::/48	16155	0.37%	41313 -- NOVATEL-AS 2 Kukush str., floor 1, office 102, BG
17	2c0f:fbf0:1::/48	16077	0.37%	32653 -- ENETWORKS, ZA
18	2a02:b48:83f2::/48	14914	0.34%	39572 -- ADVANCEDHOSTERS-AS, NL
19	2804:75a4:e0::/46	13546	0.31%	271060 -- INOVAIP TELECOM LTDA, BR
20	2804:75a4:e4::/48	13028	0.30%	271060 -- INOVAIP TELECOM LTDA, BR
21	2804:393c:7700::/40	13015	0.30%	266020 -- ICLICK TELECOM, BR
22	2a0c:b641:302::/47	11503	0.26%	204210 -- ZEUSPACKAGINGLTD, IE
23	2804:49c:31::/48	11131	0.25%	7162 -- Universo Online S.A., BR
24	2804:49c:13::/48	10743	0.25%	7162 -- Universo Online S.A., BR
25	2804:49c:c0f1::/48	10700	0.24%	7162 -- Universo Online S.A., BR
26	2610:a1:1028::/48	10678	0.24%	19905 -- SECURITYSERVICES, US
27	2a02:b48:84ff::/48	10633	0.24%	39572 -- ADVANCEDHOSTERS-AS, NL
28	2001:4cb0::/32	10576	0.24%	29009 -- UKBROADBAND-AS, GB
29	2804:51f8::/32	10524	0.24%	268487 -- PRISMA TELECOMUNICACOES LTDA. EPP, BR
30	2602:feda:b8c::/48	10372	0.24%	200334 -- NETOPS-TR netops lab Network Operations Center, TR
31	2a02:b48:83fe::/48	10124	0.23%	39572 -- ADVANCEDHOSTERS-AS, NL
32	2a02:b48:83ff::/48	10103	0.23%	39572 -- ADVANCEDHOSTERS-AS, NL
33	2a03:2100:18::/48	9877	0.23%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
34	2a03:2100:19::/48	9816	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
35	2a03:2100:23::/48	9742	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
36	2a03:2100:27::/48	9731	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
37	2a03:2100:1a::/48	9716	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
38	2a03:2100:1d::/48	9695	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
39	2a03:2100:21::/48	9694	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
40	2a03:2100:25::/48	9668	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
41	2a03:2100:11::/48	9630	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
42	2a03:2100:2f::/48	9625	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
43	2a03:2100:13::/48	9624	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
44	240d:c010:165::/48	9580	0.22%	139341 -- ACE-AS-AP ACE, SG
45	2a03:2100:17::/48	9558	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
46	2a03:2100:2a::/48	9536	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
47	2a03:2100:16::/48	9494	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
48	2a03:2100:29::/48	9455	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
49	2a03:2100:26::/48	9449	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
50	2a03:2100:12::/48	9439	0.22%	51559 -- NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
Total		1409585	32.19%

14 Day BGP Update Statistics Profile: 17-May-2025 00:00 - 31-May-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	22998801
Number of Prefix Changes:	25684036
Number of Prefix Updates:	22998801
Number of Prefix Withdrawals:	2685235
Average Prefixes per BGP Update:	1.12
Average BGP Update Messages per second:	19.01
Average Prefix Updates per second:	21.23
Peak BGP Update Message Rate per second:	61757	(23:08:37 Thu, 29-May-2025)
Peak Prefix Update Rate per second:	61757	(23:08:37 Thu, 29-May-2025)
Peak Prefix Withdraw Rate per second:	3090	(10:57:15 Mon, 26-May-2025, )
Number of RIB Prefix Updates:	4264924	(0.19 of recv'd updates)
Number of RIB Prefix Withdrawals:	117260	(0.04 of recv'd withdrawals)
Peak RIB Update Rate per second:	26918	(23:08:37 Thu, 29-May-2025)
Peak RIB Withdrawal Rate per second:	2772	(10:57:15 Mon, 26-May-2025)
Seen Prefix Count:	233277
Updated Prefix Count:	232174
Stable Prefix Count:	1103
Seen Origin AS Count:	34972
Updated Origin AS Count:	34915
Stable Origin AS Count:	57
Seen Unique Path Count:	165403
Updated Path Count:	142535
Stable Path Count:	22868

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