The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 01 December 2021 06:30 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	145347	2.01%	6058	23.99	AMAZON-02, US
2	8151	127440	1.76%	10713	11.90	Uninet S.A. de C.V., MX
3	9829	70685	0.98%	1866	37.88	BSNL-NIB National Internet Backbone, IN
4	36903	53468	0.74%	1183	45.20	MT-MPLS, MA
5	7713	50177	0.69%	3515	14.28	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
6	47331	48963	0.68%	7936	6.17	TTNET, TR
7	132839	48007	0.66%	343	139.96	POWERLINE-AS-AP POWER LINE DATACENTER, HK
8	38	43555	0.60%	11	3959.55	UIUC, US
9	6713	42756	0.59%	614	69.64	IAM-AS, MA
10	17794	37568	0.52%	14	2683.43	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
11	58224	35978	0.50%	1770	20.33	TCI, IR
12	64050	34959	0.48%	981	35.64	BCPL-SG BGPNET Global ASN, SG
13	12025	34383	0.47%	138	249.15	IMDC-AS12025, US
14	262706	31736	0.44%	36	881.56	Ultranet Telecomunicacoes Ltda, BR
15	4538	30510	0.42%	5075	6.01	ERX-CERNET-BKB China Education and Research Network Center, CN
16	139646	29865	0.41%	611	48.88	HKMTC-AS-AP HONG KONG Megalayer Technology Co.,Limited, HK
17	10620	27200	0.38%	3255	8.36	Telmex Colombia S.A., CO
18	5972	27003	0.37%	2159	12.51	DNIC-ASBLK-05800-06055, US
19	26615	26230	0.36%	1142	22.97	TIM SA, BR
20	5483	25843	0.36%	91	283.99	MAGYAR-TELEKOM-MAIN-AS Magyar Telekom Nyrt., HU
21	647	25095	0.35%	256	98.03	DNIC-ASBLK-00616-00665, US
22	50710	24601	0.34%	867	28.37	EARTHLINK-AS, IQ
23	19429	24583	0.34%	687	35.78	ETB - Colombia, CO
24	9583	24358	0.34%	1747	13.94	SIFY-AS-IN Sify Limited, IN
25	7545	23895	0.33%	5876	4.07	TPG-INTERNET-AP TPG Telecom Limited, AU
26	13188	23722	0.33%	1610	14.73	TRIOLAN, UA
27	49392	23213	0.32%	215	107.97	ASBAXETN, RU
28	4755	23167	0.32%	2135	10.85	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
29	8551	21046	0.29%	3554	5.92	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
30	2046	20538	0.28%	7	2934.00	DNIC-AS-02046, US
31	12479	20507	0.28%	7019	2.92	UNI2-AS, ES
32	7155	20419	0.28%	3950	5.17	VIASAT-SP-BACKBONE, US
33	39891	20151	0.28%	3271	6.16	ALJAWWALSTC-AS, SA
34	9808	19921	0.27%	8803	2.26	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
35	26405	19752	0.27%	15	1316.80	HDCS, US
36	135490	19590	0.27%	2	9795.00	BAL-AS-AP Business Automation Ltd., BD
37	45271	19058	0.26%	855	22.29	ICLNET-AS-AP Idea Cellular Limited, IN
38	20940	18997	0.26%	3954	4.80	AKAMAI-ASN1, NL
39	29571	18906	0.26%	829	22.81	ORANGE-COTE-IVOIRE, CI
40	16625	18072	0.25%	3701	4.88	AKAMAI-AS, US
41	11664	18041	0.25%	983	18.35	Techtel LMDS Comunicaciones Interactivas S.A., AR
42	7552	17929	0.25%	3596	4.99	VIETEL-AS-AP Viettel Group, VN
43	6147	17795	0.25%	1103	16.13	Telefonica del Peru S.A.A., PE
44	12083	17576	0.24%	949	18.52	WOW-INTERNET, US
45	13904	17221	0.24%	176	97.85	COSLINK, US
46	27651	17050	0.24%	837	20.37	ENTEL CHILE S.A., CL
47	213035	16877	0.23%	102	165.46	AS-SERVERION Serverion B.V., NL
48	132296	16609	0.23%	65	255.52	SEVENSTARDIGITAL-AS-AP Seven Star Digital Network Private Limited, IN
49	45899	15916	0.22%	3351	4.75	VNPT-AS-VN VNPT Corp, VN
50	208732	15791	0.22%	3	5263.67	AIZON-AS, PL
Total		1572069	21.71%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	270142	11621.0	0.16%	1	11621	Castor Networks Mexico s de rl, MX
2	135490	9795.0	0.27%	2	19590	BAL-AS-AP Business Automation Ltd., BD
3	58489	6595.0	0.09%	1	6595	PROGRESSIVMEDIA-AS-ID PT. Progressivmedia Indonesia, ID
4	137346	6583.0	0.09%	1	6583	CNI-AS-ID PT Cyber Network Indonesia, ID
5	208732	5263.7	0.22%	3	15791	AIZON-AS, PL
6	272441	4336.0	0.06%	1	4336	UPNETS TELECOMUNICACOES EIRELI, BR
7	38	3959.5	0.60%	11	43555	UIUC, US
8	266491	3782.3	0.16%	3	11347	CARAMBEI ONLINE TELECOM, BR
9	394913	3413.7	0.14%	3	10241	AIRGRIDS, US
10	22062	3389.3	0.14%	3	10168	GEOSTAR, US
11	29654	3253.0	0.04%	1	3253	BACKBONE-AS Dr.-Adolf-Altmann-Str. 30, AT
12	2046	2934.0	0.28%	7	20538	DNIC-AS-02046, US
13	211975	2913.0	0.04%	1	2913	WOHLERT, DE
14	17794	2683.4	0.52%	14	37568	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	205180	2651.0	0.04%	1	2651	ELONGROUP, SE
16	16062	2178.0	0.09%	3	6534	Riga, LV
17	3134	2130.3	0.09%	3	6391	USAID-ASN, US
18	38784	2101.3	0.17%	6	12608	ORBICOMNET-AS-ID PT. Global Inti Corporatama, ID
19	19674	2061.0	0.09%	3	6183	NAVPOINT, US
20	37548	1709.0	0.02%	1	1709	ARPCE, CG
21	211486	1410.0	0.02%	1	1410	EVANSMEDIA, FR
22	40227	1351.5	0.04%	2	2703	IPNS-LAB, US
23	26405	1316.8	0.27%	15	19752	HDCS, US
24	44580	1084.0	0.01%	1	1084	ARECA-BUSINESS-CENTER-AS, RO
25	262778	1082.2	0.06%	4	4329	IDSUL SERVICOS DE INTERNET LTDA, BR
26	134693	1059.0	0.04%	3	3177	FUTURE-AS-AP Future Net, BD
27	13341	1053.3	0.10%	7	7373	TRANQUILITY, US
28	397267	992.0	0.01%	1	992	MURATA-MEHQ, US
29	23948	962.3	0.09%	7	6736	ORBICOMNET-AS-ID Global Inti Corporatama PT., ID
30	45494	947.0	0.01%	1	947	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
31	3754	912.6	0.13%	10	9126	NYSERNET3-AS, US
32	31686	911.7	0.04%	3	2735	NETISON-AS, IT
33	262706	881.6	0.44%	36	31736	Ultranet Telecomunicacoes Ltda, BR
34	44624	813.0	0.01%	1	813	SZ2999, LV
35	51601	754.0	0.02%	2	1508	IPTP, GB
36	31104	748.0	0.01%	1	748	EVACY, FR
37	265901	747.0	0.01%	1	747	Speed Link EIRELI ME, BR
38	139988	732.5	0.02%	2	1465	FLYNET-AS-ID PT. GARUDA PRIMA INTERNETINDO, ID
39	56341	730.8	0.04%	4	2923	ENTER-AS, RU
40	39724	714.0	0.02%	2	1428	OMONIA-, RS
41	132354	694.2	0.04%	4	2777	CTSABAHNET-MY CELCOM TIMUR SABAH SDN BHD, MY
42	268173	651.7	0.06%	7	4562	SOUSATEC.NET LTDA ME, BR
43	328496	623.0	0.01%	1	623	CyberSOC-Africa-AS, NG
44	37676	587.0	0.02%	2	1174	Oye-Ekiti, NG
45	37582	560.3	0.13%	17	9525	ANINF, GA
46	212130	546.0	0.01%	1	546	JDKASPRZAK-AS, PL
47	55757	511.0	0.01%	2	1022	SYNNET-AS-AP Synechron Inc., IN
48	133359	507.0	0.01%	1	507	IDNIC-ERUDEYE-AS-ID PT. Erudeye Indonesia, ID
49	263864	477.7	0.09%	14	6688	CLIC RAPIDO TELECOMUNICACAO LTDA, BR
50	266833	461.2	0.03%
Total		108174.9	5.11%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	145.236.90.0/24	24436	0.33%	5483 -- MAGYAR-TELEKOM-MAIN-AS Magyar Telekom Nyrt., HU
2	72.36.96.0/20	21767	0.29%	38 -- UIUC, US
3	72.36.80.0/23	21766	0.29%	38 -- UIUC, US
4	67.211.53.0/24	19721	0.27%	26405 -- HDCS, US
5	103.79.118.0/24	19559	0.26%	135490 -- BAL-AS-AP Business Automation Ltd., BD
6	138.207.67.0/24	17055	0.23%	12025 -- IMDC-AS12025, US
7	138.207.66.0/24	16965	0.23%	12025 -- IMDC-AS12025, US
8	64.68.236.0/22	16514	0.22%	13904 -- COSLINK, US
9	202.45.88.0/24	12650	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
10	203.145.78.0/24	12449	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
11	203.145.74.0/24	12447	0.17%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
12	45.183.178.0/24	11621	0.16%	270142 -- Castor Networks Mexico s de rl, MX
13	170.244.62.0/24	11337	0.15%	266491 -- CARAMBEI ONLINE TELECOM, BR
14	103.201.137.0/24	10449	0.14%	132296 -- SEVENSTARDIGITAL-AS-AP Seven Star Digital Network Private Limited, IN 133311 -- MAXTECH-AS Maxtech Broadband Pvt Ltd, IN
15	103.201.136.0/24	10364	0.14%	132296 -- SEVENSTARDIGITAL-AS-AP Seven Star Digital Network Private Limited, IN 133311 -- MAXTECH-AS Maxtech Broadband Pvt Ltd, IN
16	103.201.138.0/24	10341	0.14%	132296 -- SEVENSTARDIGITAL-AS-AP Seven Star Digital Network Private Limited, IN 133311 -- MAXTECH-AS Maxtech Broadband Pvt Ltd, IN
17	209.22.67.0/24	10264	0.14%	2046 -- DNIC-AS-02046, US
18	209.22.66.0/24	10264	0.14%	2046 -- DNIC-AS-02046, US
19	208.78.81.0/24	10185	0.14%	394913 -- AIRGRIDS, US
20	162.217.132.0/24	10162	0.14%	22062 -- GEOSTAR, US
21	197.231.88.0/22	9436	0.13%	37582 -- ANINF, GA
22	199.109.10.0/24	9108	0.12%	3754 -- NYSERNET3-AS, US
23	185.142.160.0/23	8616	0.12%	208732 -- AIZON-AS, PL
24	193.105.156.0/24	8241	0.11%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
25	199.47.232.0/22	7331	0.10%	13341 -- TRANQUILITY, US
26	202.75.16.0/24	6622	0.09%	23948 -- ORBICOMNET-AS-ID Global Inti Corporatama PT., ID
27	103.247.18.0/24	6595	0.09%	58489 -- PROGRESSIVMEDIA-AS-ID PT. Progressivmedia Indonesia, ID
28	130.137.79.0/24	6584	0.09%	16509 -- AMAZON-02, US
29	182.23.171.0/24	6583	0.09%	137346 -- CNI-AS-ID PT Cyber Network Indonesia, ID
30	130.137.80.0/24	6556	0.09%	16509 -- AMAZON-02, US
31	130.137.108.0/24	6498	0.09%	16509 -- AMAZON-02, US
32	170.79.222.0/23	6487	0.09%	263864 -- CLIC RAPIDO TELECOMUNICACAO LTDA, BR
33	130.137.140.0/24	6467	0.09%	16509 -- AMAZON-02, US
34	130.137.111.0/24	6465	0.09%	16509 -- AMAZON-02, US
35	130.137.90.0/24	6444	0.09%	16509 -- AMAZON-02, US
36	130.137.121.0/24	6414	0.09%	16509 -- AMAZON-02, US 8987 -- AMAZON EXPANSION, IE
37	84.205.66.0/24	6376	0.09%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
38	130.137.89.0/24	6350	0.09%	14618 -- AMAZON-AES, US
39	187.109.44.0/23	6340	0.09%	262706 -- Ultranet Telecomunicacoes Ltda, BR
40	187.109.44.0/24	6338	0.09%	262706 -- Ultranet Telecomunicacoes Ltda, BR
41	130.137.78.0/24	6301	0.08%	16509 -- AMAZON-02, US
42	187.109.45.0/24	6281	0.08%	262706 -- Ultranet Telecomunicacoes Ltda, BR
43	187.109.32.0/24	6279	0.08%	262706 -- Ultranet Telecomunicacoes Ltda, BR
44	204.16.0.0/22	6278	0.08%	262706 -- Ultranet Telecomunicacoes Ltda, BR
45	202.75.24.0/24	6274	0.08%	38784 -- ORBICOMNET-AS-ID PT. Global Inti Corporatama, ID
46	202.75.17.0/24	6271	0.08%	23948 -- ORBICOMNET-AS-ID Global Inti Corporatama PT., ID 38784 -- ORBICOMNET-AS-ID PT. Global Inti Corporatama, ID
47	130.137.130.0/24	6034	0.08%	16509 -- AMAZON-02, US
48	130.137.99.0/24	6013	0.08%	16509 -- AMAZON-02, US
49	130.137.105.0/24	5980	0.08%	16509 -- AMAZON-02, US
50	130.137.127.0/24	5974	0.08%	16509 -- AMAZON-02, US
Total		491852	6.65%

14 Day BGP Profile: 17-November-2021 00:00 - 30-November-2021 23:59 (UTC+1000)

Number of BGP Update Messages:	17694088
Number of Prefix Updates:	7246741
Number of Prefix Withdrawals:	185214
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	13.69
Average Prefix Updates per second:	5.75
Peak BGP Update Message Rate per second:	160243	(07:48:40 Tue, 30-Nov-2021)
Peak Prefix Update Rate per second:	896	(15:22:58 Fri, 19-Nov-2021)
Peak Prefix Withdraw Rate per second:	82212	(07:48:42 Tue, 30-Nov-2021)
Prefix Count:	918158
Updated Prefix Count:	916954
Stable Prefix Count:	1204
Origin AS Count:	72581
Updated Origin AS Count:	72482
Stable Origin AS Count:	99
Unique Path Count:	468483
Updated Path Count:	377636
Stable Path Count:	90847

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.