The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 28 July 2021 06:33 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	13999	168562	2.15%	1823	92.46	Mega Cable, S.A. de C.V., MX
2	8151	150099	1.91%	8607	17.44	Uninet S.A. de C.V., MX
3	16509	149419	1.90%	5366	27.85	AMAZON-02, US
4	42816	101417	1.29%	5	20283.40	FLUMOTION, ES
5	9394	90069	1.15%	1873	48.09	CTTNET China TieTong Telecommunications Corporation, CN
6	5639	82185	1.05%	154	533.67	Telecommunication Services of Trinidad and Tobago, TT
7	58224	79094	1.01%	1615	48.97	TCI, IR
8	647	77284	0.98%	243	318.04	DNIC-ASBLK-00616-00665, US
9	27871	66059	0.84%	12	5504.92	Telecom Argentina S.A., AR
10	17794	57198	0.73%	14	4085.57	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
11	22884	56741	0.72%	741	76.57	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
12	38710	55882	0.71%	161	347.09	WORLDCALL-AS-LHR Worldcall Broadband Limited, PK
13	12479	53482	0.68%	6915	7.73	UNI2-AS, ES
14	37133	51966	0.66%	71	731.92	airtel-tz-as, TZ
15	47730	47036	0.60%	2	23518.00	JEANDELESTRE, FR
16	47331	45873	0.58%	7725	5.94	TTNET, TR
17	9829	44639	0.57%	1912	23.35	BSNL-NIB National Internet Backbone, IN
18	8048	42412	0.54%	419	101.22	CANTV Servicios, Venezuela, VE
19	20940	41907	0.53%	3771	11.11	AKAMAI-ASN1, NL
20	36935	37226	0.47%	545	68.30	Vodafone-, EG
21	6147	36963	0.47%	1101	33.57	Telefonica del Peru S.A.A., PE
22	9808	36226	0.46%	7906	4.58	CMNET-GD Guangdong Mobile Communication Co.Ltd., CN
23	24835	35755	0.46%	1479	24.18	RAYA-AS, EG
24	7184	34318	0.44%	166	206.73	Universidad Veracruzana, MX
25	36903	34172	0.44%	1183	28.89	MT-MPLS, MA
26	17072	33827	0.43%	405	83.52	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
27	22011	33608	0.43%	131	256.55	Sixsigma Networks Mexico, S.A. de C.V., MX
28	12696	33536	0.43%	20	1676.80	AXA-TECH Paris, FR
29	262179	32778	0.42%	9	3642.00	Telenetwork de El Salvador, SV
30	38511	32663	0.42%	311	105.03	TACHYON-AS-ID PT Remala Abadi, ID
31	28469	31089	0.40%	181	171.76	AT&T COMUNICACIONES DIGITALES S DE RL, MX
32	6713	30332	0.39%	614	49.40	IAM-AS, MA
33	5972	29060	0.37%	2271	12.80	DNIC-ASBLK-05800-06055, US
34	44244	28629	0.36%	344	83.22	IRANCELL-AS, IR
35	9121	27914	0.36%	910	30.67	TTNET, TR
36	58369	27895	0.36%	96	290.57	FIBERNET-AS-ID PT. Fiber Networks Indonesia, ID
37	50710	27343	0.35%	820	33.35	EARTHLINK-AS, IQ
38	3216	26994	0.34%	969	27.86	SOVAM-AS, RU
39	26405	26849	0.34%	12	2237.42	HDCS, US
40	1403	26303	0.34%	50	526.06	EBOX, CA
41	12025	26094	0.33%	110	237.22	IMDC-AS12025, US
42	4755	25380	0.32%	2119	11.98	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
43	4538	24804	0.32%	4936	5.03	ERX-CERNET-BKB China Education and Research Network Center, CN
44	8291	24678	0.31%	13	1898.31	RSNET-AS RSNET, RU
45	20101	24520	0.31%	15	1634.67	MICHWAVE, US
46	13904	23838	0.30%	179	133.17	COSLINK, US
47	18779	23700	0.30%	1854	12.78	EGIHOSTING, US
48	133201	22858	0.29%	237	96.45	COMING-AS ABCDE GROUP COMPANY LIMITED, HK
49	7155	22636	0.29%	4006	5.65	VIASAT-SP-BACKBONE, US
50	28509	22494	0.29%	442	50.89	Cablemas Telecomunicaciones SA de CV, MX
Total		2365806	30.14%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	47730	23518.0	0.60%	2	47036	JEANDELESTRE, FR
2	42816	20283.4	1.29%	5	101417	FLUMOTION, ES
3	211975	13550.0	0.17%	1	13550	WOHLERT, DE
4	49998	10952.0	0.14%	1	10952	COMP-ASN-MS, PL
5	27871	9437.0	0.84%	12	66059	Telecom Argentina S.A., AR
6	262179	6555.6	0.42%	9	32778	Telenetwork de El Salvador, SV
7	136440	4672.0	0.06%	1	4672	SASPL-AS-AP Sungard Availability Services India Private Limited, IN
8	17794	4399.8	0.73%	14	57198	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
9	45494	4206.0	0.05%	1	4206	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
10	19674	3953.7	0.15%	3	11861	NAVPOINT, US
11	31377	3695.5	0.09%	4	7391	AKAMAI-BOS, NL
12	211227	3185.0	0.04%	1	3185	JAVIH-AS, ES
13	393918	2849.0	0.04%	1	2849	BARNSTABLECOUNTY, US
14	26464	2586.6	0.26%	63	20693	JOYENT-INC-, US
15	271332	2425.5	0.06%	2	4851	MS NET, BR
16	14710	2386.0	0.03%	1	2386	ASN-CXA-OM-14710-CBS, US
17	209305	2321.8	0.12%	4	9287	CFL, LU
18	26405	2237.4	0.34%	12	26849	HDCS, US
19	38767	2189.9	0.20%	7	15329	IDNIC-AMSCLOUD-AS-ID PT Awan Media Semesta, ID
20	20312	2137.2	0.16%	6	12823	Fundacion Centro Nacional de Innovacion Tecnologica CENIT, VE
21	141652	2130.0	0.03%	1	2130	IDNIC-NUTT-AS-ID PT Nugraha Utama Teknologi, ID
22	138083	2016.0	0.03%	1	2016	IDNIC-RANCHMARKET-AS-ID PT. Supra Boga Lestari, ID
23	132669	2015.0	0.10%	4	8060	IDNIC-GNET-AS-ID PT Globalnet Multi Data, ID
24	269923	1984.0	0.03%	1	1984	IHA Futura, S.A., GT
25	23694	1903.0	0.17%	7	13321	IDNIC-ICONMEDIANETWORK-AS-ID PT Iconmedia Lintas Nusantara, ID
26	8291	1898.3	0.31%	13	24678	RSNET-AS RSNET, RU
27	265100	1726.1	0.15%	7	12083	FSI Telecomunicacoes LTDA, BR
28	12696	1676.8	0.43%	20	33536	AXA-TECH Paris, FR
29	20101	1634.7	0.31%	15	24520	MICHWAVE, US
30	12025	1630.9	0.33%	110	26094	IMDC-AS12025, US
31	61424	1574.0	0.02%	5	1574	ESERVER-SK-AS, SK
32	22319	1573.3	0.18%	9	14160	FOGODC, US
33	213269	1569.0	0.02%	1	1569	OSS, FI
34	399504	1518.0	0.02%	1	1518	STREAMING-SYSTEMS-LLC, US
35	14413	1470.0	0.02%	13	1470	LINKEDIN, US
36	63497	1445.7	0.06%	8	4337	ARANANETWORK-AS-ID PT. Arana Teknologi Indonesia, ID
37	38511	1420.1	0.42%	311	32663	TACHYON-AS-ID PT Remala Abadi, ID
38	40793	1415.0	0.05%	3	4245	LINKEDIN, US
39	38005	1392.0	0.02%	8	1392	MIMOS-REN-AS-AP MIMOS R&D Malaysia, MY
40	393890	1371.0	0.03%	2	2742	BTEKSO, US
41	58552	1346.4	0.09%	16	6732	MULTIDATA-ID-AP PT Multidata Rancana Prima, ID
42	30953	1333.0	0.03%	2	2666	PROC, RU
43	138823	1299.8	0.20%	12	15597	TUSNETWORK-AS-ID PT. Trimitra Usaha Sejahtera, ID
44	142317	1280.0	0.02%	1	1280	IDNIC-COVERNET-AS-ID PT Cover Network Indonesia, ID
45	136112	1263.0	0.02%	1	1263	IDNIC-UTY-AS-ID Universitas Teknologi Yogyakarta, ID
46	137325	1187.0	0.02%	1	1187	IDNIC-SANBE-AS-ID PT Sanbe Farma, ID
47	26317	1159.8	0.21%	14	16237	Lisa Communications Ltd, TT
48	58485	1112.0	0.04%	3	3336	WIFIAN-AS-ID PT. Wifian Solution, ID
49	138159	1106.0	0.01%	1	1106	VIGYANLABS1-AS-AP Vigyanlabs Innovations Pvt Ltd, IN
50	141626	1087.0	0.03%
Total		173078.3	9.19%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	168.243.93.0/24	32751	0.40%	262179 -- Telenetwork de El Salvador, SV
2	197.186.0.0/15	28436	0.35%	37133 -- airtel-tz-as, TZ
3	67.211.53.0/24	26828	0.33%	26405 -- HDCS, US
4	95.173.129.0/24	24666	0.30%	8291 -- RSNET-AS RSNET, RU
5	45.148.160.0/24	23962	0.29%	47730 -- JEANDELESTRE, FR
6	195.10.10.0/24	23791	0.29%	42816 -- FLUMOTION, ES
7	195.10.6.0/24	23790	0.29%	42816 -- FLUMOTION, ES
8	195.10.38.0/24	23789	0.29%	42816 -- FLUMOTION, ES
9	195.10.2.0/24	23787	0.29%	42816 -- FLUMOTION, ES
10	45.148.160.0/22	23074	0.28%	47730 -- JEANDELESTRE, FR
11	64.68.236.0/22	22688	0.28%	13904 -- COSLINK, US
12	37.153.112.0/21	20655	0.25%	26464 -- JOYENT-INC-, US
13	203.145.74.0/24	19060	0.23%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
14	202.45.88.0/24	19052	0.23%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	203.145.78.0/24	19051	0.23%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
16	61.234.138.0/24	16627	0.20%	9394 -- CTTNET China TieTong Telecommunications Corporation, CN
17	123.80.32.0/22	16603	0.20%	9394 -- CTTNET China TieTong Telecommunications Corporation, CN
18	222.60.108.0/23	16551	0.20%	9394 -- CTTNET China TieTong Telecommunications Corporation, CN
19	222.62.52.0/22	16501	0.20%	9394 -- CTTNET China TieTong Telecommunications Corporation, CN
20	123.95.160.0/21	16066	0.20%	9394 -- CTTNET China TieTong Telecommunications Corporation, CN
21	200.110.231.0/24	13713	0.17%	27871 -- Telecom Argentina S.A., AR
22	200.110.228.0/24	13709	0.17%	27871 -- Telecom Argentina S.A., AR
23	200.110.230.0/24	13709	0.17%	27871 -- Telecom Argentina S.A., AR
24	200.110.229.0/24	13706	0.17%	27871 -- Telecom Argentina S.A., AR
25	141.98.139.0/24	13550	0.16%	211975 -- WOHLERT, DE
26	138.207.66.0/24	13170	0.16%	12025 -- IMDC-AS12025, US
27	202.144.197.0/24	12965	0.16%	42962 -- CLE-COMM CLE CORELINK COMM, CN
28	196.46.120.0/23	12884	0.16%	37133 -- airtel-tz-as, TZ
29	138.207.67.0/24	12868	0.16%	12025 -- IMDC-AS12025, US
30	199.192.180.0/22	12770	0.16%	20101 -- MICHWAVE, US
31	216.18.240.0/20	11737	0.14%	20101 -- MICHWAVE, US
32	216.194.128.0/21	11214	0.14%	27871 -- Telecom Argentina S.A., AR
33	91.213.107.0/24	10952	0.13%	49998 -- COMP-ASN-MS, PL
34	130.137.108.0/24	9612	0.12%	16509 -- AMAZON-02, US
35	130.137.121.0/24	9345	0.11%	16509 -- AMAZON-02, US 8987 -- AMAZON EXPANSION, IE
36	130.137.78.0/24	9257	0.11%	16509 -- AMAZON-02, US
37	130.137.79.0/24	9188	0.11%	16509 -- AMAZON-02, US
38	130.137.80.0/24	9172	0.11%	16509 -- AMAZON-02, US
39	130.137.140.0/24	9156	0.11%	16509 -- AMAZON-02, US
40	130.137.111.0/24	9114	0.11%	16509 -- AMAZON-02, US
41	130.137.89.0/24	9082	0.11%	14618 -- AMAZON-AES, US
42	130.137.90.0/24	9019	0.11%	16509 -- AMAZON-02, US
43	130.137.99.0/24	8914	0.11%	16509 -- AMAZON-02, US
44	130.137.105.0/24	8857	0.11%	16509 -- AMAZON-02, US
45	143.69.140.0/24	8855	0.11%	1493 -- DNIC-ASBLK-01492-01493, US
46	23.213.247.0/24	8463	0.10%	20940 -- AKAMAI-ASN1, NL
47	23.55.51.0/24	8462	0.10%	20940 -- AKAMAI-ASN1, NL
48	130.137.86.0/24	8415	0.10%	16509 -- AMAZON-02, US
49	130.137.81.0/24	8366	0.10%	16509 -- AMAZON-02, US
50	130.137.85.0/24	8362	0.10%	16509 -- AMAZON-02, US
Total		756314	9.21%

14 Day BGP Profile: 14-July-2021 00:00 - 27-July-2021 23:59 (UTC+1000)

Number of BGP Update Messages:	22268903
Number of Prefix Updates:	7848997
Number of Prefix Withdrawals:	374537
Average Prefixes per BGP Update:	0.37
Average BGP Update Messages per second:	18.41
Average Prefix Updates per second:	6.80
Peak BGP Update Message Rate per second:	38464	(17:24:13 Thu, 22-Jul-2021)
Peak Prefix Update Rate per second:	4410	(03:59:57 Tue, 20-Jul-2021)
Peak Prefix Withdraw Rate per second:	22705	(18:04:07 Sat, 17-Jul-2021)
Prefix Count:	906667
Updated Prefix Count:	641108
Stable Prefix Count:	265559
Origin AS Count:	71901
Updated Origin AS Count:	58104
Stable Origin AS Count:	13797
Unique Path Count:	508197
Updated Path Count:	382066
Stable Path Count:	126131

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.