The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 13 June 2021 06:37 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	132839	936691	8.52%	399	2347.60	POWERLINE-AS-AP POWER LINE DATACENTER, HK
2	40065	401898	3.66%	566	710.07	CNSERVERS, US
3	7643	248468	2.26%	69	3600.99	VNPT-AS-VN Vietnam Posts and Telecommunications (VNPT), VN
4	12696	196855	1.79%	20	9842.75	AXA-TECH Paris, FR
5	58424	168035	1.53%	50	3360.70	XINWEITELECOM-KH # 3BEo, Sangkat Beoun Prolit, Khan 7Makara, Phnom Penh., KH
6	16509	149148	1.36%	5300	28.14	AMAZON-02, US
7	21859	142975	1.30%	876	163.21	ZNET, US
8	33548	113904	1.04%	18	6328.00	UNWIRED-NOC, US
9	47331	110079	1.00%	8354	13.18	TTNET, TR
10	7713	106342	0.97%	3532	30.11	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
11	8151	84317	0.77%	8663	9.73	Uninet S.A. de C.V., MX
12	7545	82753	0.75%	5810	14.24	TPG-INTERNET-AP TPG Telecom Limited, AU
13	3551	80583	0.73%	246	327.57	Universidad Tecnologica de Panama, PA
14	10036	73853	0.67%	473	156.14	CNM-AS-KR DLIVE, KR
15	13904	72323	0.66%	175	413.27	COSLINK, US
16	9829	69991	0.64%	1912	36.61	BSNL-NIB National Internet Backbone, IN
17	36903	64437	0.59%	1183	54.47	MT-MPLS, MA
18	10620	64404	0.59%	3422	18.82	Telmex Colombia S.A., CO
19	17794	61753	0.56%	14	4410.93	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
20	47730	53293	0.48%	2	26646.50	JEANDELESTRE, FR
21	58224	53008	0.48%	1619	32.74	TCI, IR
22	20473	48926	0.45%	690	70.91	AS-CHOOPA, US
23	9121	46071	0.42%	981	46.96	TTNET, TR
24	39891	45219	0.41%	3266	13.85	ALJAWWALSTC-AS, SA
25	24000	41154	0.37%	100	411.54	LIHGL-AS-AP 24.hk global BGP, HK
26	647	40945	0.37%	265	154.51	DNIC-ASBLK-00616-00665, US
27	26405	37464	0.34%	12	3122.00	HDCS, US
28	36914	36828	0.34%	429	85.85	KENET-AS, KE
29	1541	36016	0.33%	644	55.93	DNIC-ASBLK-01534-01546, US
30	17488	35192	0.32%	1223	28.78	HATHWAY-NET-AP Hathway IP Over Cable Internet, IN
31	20101	33679	0.31%	15	2245.27	MICHWAVE, US
32	8291	33414	0.30%	13	2570.31	RSNET-AS RSNET, RU
33	50710	32706	0.30%	833	39.26	EARTHLINK-AS, IQ
34	22773	32466	0.30%	3953	8.21	ASN-CXA-ALL-CCI-22773-RDC, US
35	35074	31712	0.29%	148	214.27	COBRANET-AS, NG
36	17885	31645	0.29%	142	222.85	JKTXLNET-AS-AP PT XL Axiata Tbk, ID
37	5972	30391	0.28%	2256	13.47	DNIC-ASBLK-05800-06055, US
38	26464	30383	0.28%	62	490.05	JOYENT-INC-, US
39	262179	29515	0.27%	7	4216.43	Telenetwork de El Salvador, SV
40	24863	29030	0.26%	1615	17.98	LINKdotNET-AS, EG
41	6713	28864	0.26%	614	47.01	IAM-AS, MA
42	45899	28794	0.26%	2951	9.76	VNPT-AS-VN VNPT Corp, VN
43	37717	28357	0.26%	15	1890.47	EL-Khawarizmi, TN
44	6648	28055	0.26%	251	111.77	BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc., PH
45	31549	26621	0.24%	339	78.53	RASANA, IR
46	353	26368	0.24%	4	6592.00	DNIC-ASBLK-00306-00371, US
47	6147	24185	0.22%	1113	21.73	Telefonica del Peru S.A.A., PE
48	8402	24052	0.22%	1156	20.81	CORBINA-AS OJSC "Vimpelcom", RU
49	4755	23555	0.21%	2133	11.04	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
50	9808	23019	0.21%	8240	2.79	CMNET-GD Guangdong Mobile Communication Co.Ltd., CN
Total		4279736	38.96%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	47730	26646.5	0.48%	2	53293	JEANDELESTRE, FR
2	399623	18168.0	0.17%	1	18168	OSCAR, US
3	12696	9842.8	1.79%	20	196855	AXA-TECH Paris, FR
4	37207	6990.0	0.06%	1	6990	NNPC, NG
5	353	6592.0	0.24%	4	26368	DNIC-ASBLK-00306-00371, US
6	33548	6328.0	1.04%	18	113904	UNWIRED-NOC, US
7	14710	4798.0	0.04%	1	4798	ASN-CXA-OM-14710-CBS, US
8	207486	4632.0	0.08%	2	9264	AOV-ASN1, DE
9	212799	4608.0	0.04%	1	4608	CYBERNODE-HOST, RO
10	17794	4410.9	0.56%	14	61753	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
11	262179	4216.4	0.27%	7	29515	Telenetwork de El Salvador, SV
12	45494	4177.0	0.04%	1	4177	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
13	7643	3601.0	2.26%	69	248468	VNPT-AS-VN Vietnam Posts and Telecommunications (VNPT), VN
14	30426	3455.0	0.03%	1	3455	NORTHERN-ENGRAVING-CORP, US
15	58424	3360.7	1.53%	50	168035	XINWEITELECOM-KH # 3BEo, Sangkat Beoun Prolit, Khan 7Makara, Phnom Penh., KH
16	26405	3122.0	0.34%	12	37464	HDCS, US
17	28933	2985.5	0.05%	2	5971	LTFE-AS, SI
18	37248	2974.0	0.14%	5	14870	PHASE3TEL, NG
19	58611	2670.3	0.15%	6	16022	CDU-AS-AP Charles Darwin University, AU
20	393918	2592.0	0.02%	1	2592	BARNSTABLECOUNTY, US
21	8291	2570.3	0.30%	13	33414	RSNET-AS RSNET, RU
22	31104	2499.0	0.05%	2	4998	EVACY, FR
23	132839	2347.6	8.52%	399	936691	POWERLINE-AS-AP POWER LINE DATACENTER, HK
24	22500	2256.8	0.08%	4	9027	MAW-INTF-WORLD, US
25	20101	2245.3	0.31%	15	33679	MICHWAVE, US
26	204596	2143.0	0.02%	1	2143	LCGP, FR
27	56339	2140.0	0.02%	1	2140	BOCAL, FR
28	39894	2140.0	0.02%	1	2140	AUFEMININ, FR
29	37717	1890.5	0.26%	15	28357	EL-Khawarizmi, TN
30	60572	1786.5	0.03%	2	3573	ZENEXITY-AS ==== Equinix BGP =====, FR
31	209323	1776.0	0.02%	1	1776	GENEANET, FR
32	142287	1761.5	0.03%	2	3523	AMBN-AS-AP A2Z Media Brodband Net, BD
33	139896	1710.3	0.05%	3	5131	FLEX-SGD Kim Chuan Telecommunications Complex, SG
34	20312	1573.8	0.09%	6	9443	Fundacion Centro Nacional de Innovacion Tecnologica (CENIT), VE
35	202544	1522.0	0.03%	2	3044	SIGMA-AS, GE
36	203149	1515.0	0.03%	2	3030	ZP-16X-3-AS, UA
37	209348	1491.8	0.05%	4	5967	NPISP, IQ
38	40793	1445.0	0.04%	3	4335	LINKEDIN, US
39	199663	1382.0	0.01%	1	1382	KASE, LV
40	202884	1382.0	0.01%	1	1382	ALIASYS, FR
41	213269	1282.0	0.01%	1	1282	OSS, FI
42	138345	1250.0	0.08%	7	8750	STARHUB-MOBILE2 StarHub Ltd, SG
43	135299	1218.0	0.02%	2	2436	TPSL-AS-AP TechProcess Payment Services Limited, IN
44	267936	1096.7	0.03%	3	3290	Fabio Alexandre Zietz ME, BR
45	140664	1034.0	0.01%	1	1034	COGENTBROADBANDKHL-AS-AP Cogent Broadband, BD
46	37686	1033.0	0.01%	1	1033	ABUZ1-AS, NG
47	271804	921.5	0.02%	2	1843	CABLEMAX C.X.A, DO
48	207320	908.0	0.01%	1	908	AS_MATHIEUM, FR
49	328330	900.0	0.01%	1	900	-Reserved AS-, ZZ
50	266214	788.6	0.04%
Total		174180.3	19.54%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	216.238.254.0/23	39101	0.35%	13904 -- COSLINK, US
2	67.211.53.0/24	37453	0.33%	26405 -- HDCS, US
3	95.173.129.0/24	33378	0.30%	8291 -- RSNET-AS RSNET, RU
4	64.68.236.0/22	31991	0.28%	13904 -- COSLINK, US
5	37.153.112.0/21	30005	0.27%	26464 -- JOYENT-INC-, US
6	168.243.93.0/24	29496	0.26%	262179 -- Telenetwork de El Salvador, SV
7	45.148.160.0/24	26683	0.24%	47730 -- JEANDELESTRE, FR
8	45.148.160.0/22	26610	0.24%	47730 -- JEANDELESTRE, FR
9	130.214.248.0/23	22130	0.20%	35039 -- SAP_CC, DE
10	196.46.27.0/24	21787	0.19%	37207 -- NNPC, NG 37248 -- PHASE3TEL, NG
11	64.192.0.0/24	21309	0.19%	33548 -- UNWIRED-NOC, US
12	203.145.78.0/24	20582	0.18%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
13	203.145.74.0/24	20557	0.18%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
14	202.45.88.0/24	20542	0.18%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	64.192.3.0/24	19994	0.18%	33548 -- UNWIRED-NOC, US
16	64.192.2.0/24	19938	0.18%	33548 -- UNWIRED-NOC, US
17	64.192.1.0/24	19675	0.17%	33548 -- UNWIRED-NOC, US
18	172.110.185.0/24	18168	0.16%	399623 -- OSCAR, US
19	199.192.180.0/22	17875	0.16%	20101 -- MICHWAVE, US
20	209.177.95.0/24	17200	0.15%	21859 -- ZNET, US
21	128.14.246.0/24	17180	0.15%	21859 -- ZNET, US
22	128.14.218.0/23	17179	0.15%	21859 -- ZNET, US
23	107.155.14.0/24	17168	0.15%	21859 -- ZNET, US
24	107.150.113.0/24	17160	0.15%	21859 -- ZNET, US
25	23.248.179.0/24	17039	0.15%	21859 -- ZNET, US
26	23.251.106.0/23	17036	0.15%	21859 -- ZNET, US
27	23.236.116.0/24	16936	0.15%	21859 -- ZNET, US
28	99.194.200.0/22	16884	0.15%	22561 -- CENTURYLINK-LEGACY-LIGHTCORE, US
29	64.192.4.0/24	16493	0.15%	33548 -- UNWIRED-NOC, US
30	64.192.5.0/24	16464	0.15%	33548 -- UNWIRED-NOC, US
31	216.18.240.0/20	15782	0.14%	20101 -- MICHWAVE, US
32	103.89.86.0/24	12573	0.11%	63731 -- TPTECO-AS-VN TIEN PHAT TECHNOLOGY CORPORATION, VN
33	195.189.220.0/24	11476	0.10%	12696 -- AXA-TECH Paris, FR
34	171.18.54.0/24	11476	0.10%	12696 -- AXA-TECH Paris, FR
35	212.155.238.0/24	11470	0.10%	12696 -- AXA-TECH Paris, FR
36	193.32.101.0/24	11466	0.10%	12696 -- AXA-TECH Paris, FR
37	194.98.240.0/24	11439	0.10%	12696 -- AXA-TECH Paris, FR
38	150.196.155.0/24	10844	0.10%	1541 -- DNIC-ASBLK-01534-01546, US
39	171.18.20.0/22	10090	0.09%	12696 -- AXA-TECH Paris, FR
40	171.18.16.0/21	10088	0.09%	12696 -- AXA-TECH Paris, FR
41	171.18.12.0/22	10085	0.09%	12696 -- AXA-TECH Paris, FR
42	171.18.32.0/21	10083	0.09%	12696 -- AXA-TECH Paris, FR
43	171.18.42.0/23	10061	0.09%	12696 -- AXA-TECH Paris, FR
44	171.18.46.0/23	10057	0.09%	12696 -- AXA-TECH Paris, FR
45	171.18.80.0/22	10052	0.09%	12696 -- AXA-TECH Paris, FR
46	171.18.44.0/23	10037	0.09%	12696 -- AXA-TECH Paris, FR
47	171.18.96.0/20	9998	0.09%	12696 -- AXA-TECH Paris, FR
48	171.18.0.0/21	9992	0.09%	12696 -- AXA-TECH Paris, FR
49	171.18.112.0/20	9964	0.09%	12696 -- AXA-TECH Paris, FR
50	171.18.10.0/23	9952	0.09%	12696 -- AXA-TECH Paris, FR
Total		880998	7.82%

14 Day BGP Profile: 30-May-2021 00:00 - 12-June-2021 23:59 (UTC+1000)

Number of BGP Update Messages:	23455093
Number of Prefix Updates:	10990053
Number of Prefix Withdrawals:	285016
Average Prefixes per BGP Update:	0.48
Average BGP Update Messages per second:	19.39
Average Prefix Updates per second:	9.32
Peak BGP Update Message Rate per second:	139939	(03:20:57 Wed, 9-Jun-2021)
Peak Prefix Update Rate per second:	4918	(23:05:23 Wed, 2-Jun-2021)
Peak Prefix Withdraw Rate per second:	87753	(03:20:59 Wed, 9-Jun-2021)
Prefix Count:	900968
Updated Prefix Count:	900967
Stable Prefix Count:	1
Origin AS Count:	71706
Updated Origin AS Count:	71651
Stable Origin AS Count:	55
Unique Path Count:	562878
Updated Path Count:	473239
Stable Path Count:	89639

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.