The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 27 April 2024 06:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	276968	2.76%	10038	27.59	AMAZON-02, US
2	8151	224429	2.24%	12448	18.03	UNINET, MX
3	7552	157798	1.57%	3887	40.60	VIETEL-AS-AP Viettel Group, VN
4	45899	151151	1.51%	3292	45.91	VNPT-AS-VN VNPT Corp, VN
5	9829	112048	1.12%	1958	57.23	BSNL-NIB National Internet Backbone, IN
6	17794	108315	1.08%	13	8331.92	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
7	50010	85399	0.85%	629	135.77	NAWRAS-AS Sultanate of Oman, OM
8	7713	81897	0.82%	3644	22.47	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
9	36903	80814	0.81%	1249	64.70	MT-MPLS, MA
10	6057	75551	0.75%	578	130.71	Administracion Nacional de Telecomunicaciones, UY
11	13977	73279	0.73%	799	91.71	CTELCO, US
12	264496	65692	0.66%	23	2856.17	IR Tecnologia Fibralink, BR
13	39891	58277	0.58%	4758	12.25	ALJAWWALSTC-AS, SA
14	9583	57339	0.57%	1840	31.16	SIFY-AS-IN Sify Limited, IN
15	149038	46672	0.47%	2	23336.00	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
16	29571	46189	0.46%	1211	38.14	ORANGE-COTE-IVOIRE, CI
17	8376	42499	0.42%	776	54.77	Jordan Data Communications, JO
18	19901	38141	0.38%	869	43.89	BRSPD-PUBLIC, US
19	58224	37473	0.37%	1372	27.31	TCI, IR
20	36914	37275	0.37%	499	74.70	KENET-AS, KE
21	367	36372	0.36%	2953	12.32	DNIC-ASBLK-00306-00371, US
22	18403	35389	0.35%	4690	7.55	FPT-AS-AP FPT Telecom Company, VN
23	17488	35176	0.35%	1265	27.81	HATHWAY-NET-AP Hathway IP Over Cable Internet, IN
24	55836	34736	0.35%	906	38.34	RELIANCEJIO-IN Reliance Jio Infocomm Limited, IN
25	4538	33411	0.33%	5002	6.68	ERX-CERNET-BKB China Education and Research Network Center, CN
26	44559	32884	0.33%	1296	25.37	ITHOSTLINE, CY
27	399077	32622	0.33%	522	62.49	TERAEXCH, US
28	44244	32258	0.32%	379	85.11	IRANCELL-AS, IR
29	39855	31131	0.31%	550	56.60	MOD-EU, US
30	12684	30256	0.30%	149	203.06	SES-LUX-AS, LU
31	265566	30088	0.30%	5	6017.60	TELESISTEMAS PENINSULARES SA DE CV, MX
32	8551	29478	0.29%	3340	8.83	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
33	8452	28220	0.28%	2508	11.25	TE-AS TE-AS, EG
34	29465	28028	0.28%	492	56.97	VCG-AS, NG
35	16625	27338	0.27%	3176	8.61	AKAMAI-AS, US
36	42337	27202	0.27%	678	40.12	RESPINA-AS, IR
37	17501	26359	0.26%	215	122.60	WLINK-NEPAL-AS-AP WorldLink Communications Pvt Ltd, NP
38	647	26223	0.26%	397	66.05	DNIC-ASBLK-00616-00665, US
39	38266	26054	0.26%	808	32.25	VIL-AS-AP Vodafone Idea Ltd, IN
40	20940	25908	0.26%	3950	6.56	AKAMAI-ASN1, NL
41	137951	25550	0.25%	98	260.71	ASLINE-AS-AP ASLINE LIMITED, HK
42	136103	25507	0.25%	4	6376.75	IDNIC-USM-AS-ID Universitas Semarang, ID
43	36873	24598	0.25%	372	66.12	VNL1-AS, NG
44	19429	24512	0.24%	1232	19.90	ETB - Colombia, CO
45	4755	23587	0.24%	2205	10.70	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
46	31549	23498	0.23%	235	99.99	RASANA, IR
47	9341	23254	0.23%	475	48.96	ICONPLN-ID-AP-ISP PT INDONESIA COMNETS PLUS, ID
48	9318	22786	0.23%	731	31.17	SKB-AS SK Broadband Co Ltd, KR
49	11830	22708	0.23%	2005	11.33	Instituto Costarricense de Electricidad y Telecom., CR
50	6713	22401	0.22%	558	40.15	IAM-AS, MA
Total		2704740	26.95%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	17794	27078.8	1.08%	13	108315	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
2	149038	23336.0	0.47%	2	46672	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	266407	18353.0	0.18%	1	18353	ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR
4	26405	13589.0	0.14%	11	13589	HDCS, US
5	7954	13219.0	0.13%	3	13219	IMMENSE-NETWORKS, US
6	150180	9036.0	0.18%	2	18072	AFRENIT-AS-AP AFREN IT, BD
7	47855	8382.0	0.08%	1	8382	PRIME Moscow branch, RU
8	265566	7522.0	0.30%	5	30088	TELESISTEMAS PENINSULARES SA DE CV, MX
9	50674	6531.0	0.07%	1	6531	SPBEX-AS, RU
10	136103	6376.8	0.25%	4	25507	IDNIC-USM-AS-ID Universitas Semarang, ID
11	140415	4998.5	0.10%	2	9997	IDNIC-JMTO-AS-ID PT JASAMARGA TOLLROAD OPERATOR, ID
12	27418	3906.0	0.08%	2	7812	OOW-INC, US
13	209887	3759.0	0.04%	4	3759	BIESSE, IT
14	269485	3593.4	0.18%	5	17967	JRNETWORKS Telecom, BR
15	28657	3474.0	0.07%	2	6948	MD Brasil - Tecnologia da Informacao Ltda, BR
16	139386	3104.0	0.03%	3	3104	IDNIC-NSR-CINEMA21-AS-ID PT Nusantara Sejahtera Raya, ID
17	269232	2986.0	0.15%	5	14930	ON SOLUCOES EM CONEXAO LTDA, BR
18	149588	2921.7	0.09%	3	8765	OMSAITECH-AS-IN Om Sai Technnologies, IN
19	264496	2856.2	0.66%	23	65692	IR Tecnologia Fibralink, BR
20	2603	2791.0	0.03%	11	2791	NORDUNET, DK
21	62931	2698.5	0.05%	2	5397	PLAZA-LAS-AMERICAS, PR
22	209856	2666.0	0.05%	2	5332	SOFT-TEHNICA, RO
23	2046	2629.1	0.21%	8	21033	DNIC-AS-02046, US
24	135963	2465.5	0.05%	2	4931	MOLISA-AS-VN Information Center - Ministry of Labour - Invalids and Social Affairs, VN
25	329017	2441.0	0.02%	1	2441	RAGA-NET, CD
26	150523	2398.7	0.07%	3	7196	IDNIC-IDE-AS-ID PT Ide Digital Inovatif, ID
27	137258	2308.0	0.02%	1	2308	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
28	135445	2212.7	0.15%	14	15489	IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
29	212948	1922.0	0.02%	1	1922	NIRVANET-AS Nirvanet Network, FR
30	215459	1863.0	0.02%	1	1863	PASCAL-KUTSCHA-AS, DE
31	39997	1710.5	0.03%	2	3421	GLIC, US
32	13341	1645.2	0.07%	5	6581	TRANQUILITY, US
33	273315	1633.0	0.03%	2	3266	LIDER NET E SERVICOS DE MULTIMIDIA, BR
34	8053	1621.2	0.21%	20	21076	IFX Networks Venezuela C.A., VE
35	268817	1524.6	0.08%	7	7623	Acelara Telecom, BR
36	327806	1508.0	0.03%	2	3016	CNTI-AS, AO
37	7602	1424.7	0.14%	172	14247	SPT-AS-VN Sai gon Postel Corporation, VN
38	328662	1421.0	0.01%	1	1421	Presbyterian-University, GH
39	44432	1420.5	0.03%	2	2841	RACKBONE, CH
40	149614	1354.0	0.01%	1	1354	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
41	62308	1339.0	0.03%	2	2678	BIBUSMENOS-AS, PL
42	45494	1329.0	0.01%	1	1329	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
43	56639	1283.5	0.03%	2	2567	LNET-COM-UA-AS, UA
44	52532	1172.1	0.15%	13	15237	Speednet Telecomunicacoes Ltda ME, BR
45	139456	1116.1	0.14%	13	14509	IDNIC-NSR-DEWAWEB-AS-ID PT DEWAWEB, ID
46	47434	1101.0	0.02%	2	2202	FORTUNE-AS, UA
47	18812	1089.0	0.01%	2	1089	NEWWAVECOMM, US
48	132829	1081.7	0.19%	23	19471	NCPL-AS-AP Nevigate Communications S Pte Ltd, SG
49	18630	1072.5	0.02%	2	2145	RIDLEYSD-NET, US
50	62861	1007.7	0.03%
Total		218272.2	6.24%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	203.145.74.0/24	36113	0.35%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
2	203.145.78.0/24	36103	0.35%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
3	202.45.88.0/24	36098	0.35%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	143.255.204.0/22	32807	0.32%	264496 -- IR Tecnologia Fibralink, BR
5	177.55.65.0/24	32804	0.32%	264496 -- IR Tecnologia Fibralink, BR
6	45.172.92.0/22	30073	0.29%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7	66.133.36.0/24	28431	0.28%	12684 -- SES-LUX-AS, LU
8	103.177.87.0/24	23361	0.23%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
9	103.177.86.0/24	23311	0.23%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
10	103.248.132.0/22	19403	0.19%	132829 -- NCPL-AS-AP Nevigate Communications S Pte Ltd, SG
11	170.238.225.0/24	18353	0.18%	266407 -- ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR
12	103.223.2.0/24	15368	0.15%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
13	143.255.59.0/24	14991	0.15%	33182 -- DIMENOC, US
14	45.182.135.0/24	14926	0.14%	269232 -- ON SOLUCOES EM CONEXAO LTDA, BR
15	200.192.151.0/24	14803	0.14%	28572 -- Apoiocom Digital Ltda - EPP, BR 52532 -- Speednet Telecomunicacoes Ltda ME, BR
16	177.137.17.0/24	14533	0.14%	53225 -- IPGLOBE INTERNET LTDA, BR
17	67.211.53.0/24	13589	0.13%	26405 -- HDCS, US
18	207.167.116.0/22	13219	0.13%	7954 -- IMMENSE-NETWORKS, US
19	130.137.230.0/24	13056	0.13%	16509 -- AMAZON-02, US
20	107.154.97.0/24	12890	0.12%	19551 -- INCAPSULA, US
21	185.32.70.0/24	11992	0.12%	51269 -- HEXATOM, FR
22	45.187.202.0/23	11659	0.11%	269485 -- JRNETWORKS Telecom, BR 271657 -- Iran Telecom, BR
23	41.222.147.0/24	11044	0.11%	25163 -- NG-NIGERIA-AS, NG
24	130.137.12.0/24	10650	0.10%	16509 -- AMAZON-02, US
25	181.225.48.0/24	10529	0.10%	8053 -- IFX Networks Venezuela C.A., VE
26	209.22.67.0/24	10521	0.10%	2046 -- DNIC-AS-02046, US
27	181.225.43.0/24	10516	0.10%	8053 -- IFX Networks Venezuela C.A., VE
28	209.22.66.0/24	10506	0.10%	2046 -- DNIC-AS-02046, US
29	216.120.170.0/23	10019	0.10%	16696 -- ITELNETWORKS, CA
30	103.149.167.0/24	9991	0.10%	140415 -- IDNIC-JMTO-AS-ID PT JASAMARGA TOLLROAD OPERATOR, ID
31	216.120.204.0/23	9964	0.10%	16696 -- ITELNETWORKS, CA
32	189.113.61.0/24	9475	0.09%	262727 -- AtualNet Provedor de Internet Ltda, BR
33	163.121.10.0/24	9420	0.09%	25576 -- AFMIC, EG
34	130.137.108.0/24	9297	0.09%	16509 -- AMAZON-02, US
35	186.170.29.0/24	9194	0.09%	3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
36	103.209.92.0/24	9040	0.09%	150180 -- AFRENIT-AS-AP AFREN IT, BD
37	103.209.93.0/24	9032	0.09%	150180 -- AFRENIT-AS-AP AFREN IT, BD
38	84.205.66.0/24	8882	0.09%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
39	130.174.28.0/24	8878	0.09%	203 -- CENTURYLINK-LEGACY-LVLT-203, US 3360 -- DXC-AS3360, US
40	103.190.26.0/23	8737	0.08%	149588 -- OMSAITECH-AS-IN Om Sai Technnologies, IN
41	130.137.227.0/24	8716	0.08%	16509 -- AMAZON-02, US
42	130.174.34.0/24	8700	0.08%	3360 -- DXC-AS3360, US
43	130.137.111.0/24	8583	0.08%	16509 -- AMAZON-02, US
44	103.134.212.0/24	8499	0.08%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
45	103.134.215.0/24	8499	0.08%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
46	103.90.210.0/24	8499	0.08%	136103 -- IDNIC-USM-AS-ID Universitas Semarang, ID
47	130.137.127.0/24	8496	0.08%	16509 -- AMAZON-02, US
48	130.137.219.0/24	8488	0.08%	16509 -- AMAZON-02, US
49	130.137.26.0/24	8455	0.08%	16509 -- AMAZON-02, US
50	130.137.105.0/24	8454	0.08%	16509 -- AMAZON-02, US
Total		728967	7.06%

14 Day BGP Profile: 13-April-2024 00:00 - 26-April-2024 23:59 (UTC+1000)

Number of BGP Update Messages:	24335190
Number of Prefix Updates:	10021589
Number of Prefix Withdrawals:	290488
Average Prefixes per BGP Update:	0.42
Average BGP Update Messages per second:	20.12
Average Prefix Updates per second:	8.53
Peak BGP Update Message Rate per second:	25612	(07:24:57 Fri, 19-Apr-2024)
Peak Prefix Update Rate per second:	2067	(05:18:39 Sat, 20-Apr-2024)
Peak Prefix Withdraw Rate per second:	10175	(20:15:43 Sun, 21-Apr-2024)
Prefix Count:	987674
Updated Prefix Count:	622311
Stable Prefix Count:	365363
Origin AS Count:	75814
Updated Origin AS Count:	58862
Stable Origin AS Count:	16952
Unique Path Count:	559191
Updated Path Count:	420033
Stable Path Count:	139158

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.