The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 04 December 2023 06:29 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	17488	779295	5.72%	1264	616.53	HATHWAY-NET-AP Hathway IP Over Cable Internet, IN
2	16509	371964	2.73%	9485	39.22	AMAZON-02, US
3	55836	201316	1.48%	331	608.21	RELIANCEJIO-IN Reliance Jio Infocomm Limited, IN
4	8151	156355	1.15%	12139	12.88	UNINET, MX
5	45899	115803	0.85%	3268	35.44	VNPT-AS-VN VNPT Corp, VN
6	7552	112289	0.82%	3644	30.81	VIETEL-AS-AP Viettel Group, VN
7	17794	110841	0.81%	14	7917.21	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
8	45916	101973	0.75%	334	305.31	GTPL-AS-AP Gujarat Telelink Pvt Ltd, IN
9	9829	100406	0.74%	1943	51.68	BSNL-NIB National Internet Backbone, IN
10	12479	91153	0.67%	7552	12.07	UNI2-AS, ES
11	22773	91147	0.67%	6977	13.06	ASN-CXA-ALL-CCI-22773-RDC, US
12	7713	88921	0.65%	3602	24.69	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
13	18403	88309	0.65%	4412	20.02	FPT-AS-AP FPT Telecom Company, VN
14	39891	82465	0.61%	4570	18.04	ALJAWWALSTC-AS, SA
15	19551	74071	0.54%	789	93.88	INCAPSULA, US
16	58224	69817	0.51%	1693	41.24	TCI, IR
17	7262	66055	0.48%	11	6005.00	BTN-THREE, US
18	8551	65979	0.48%	3448	19.14	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
19	10620	64602	0.47%	3529	18.31	Telmex Colombia S.A., CO
20	271724	63284	0.46%	53	1194.04	-Reserved AS-, ZZ
21	16625	63091	0.46%	3219	19.60	AKAMAI-AS, US
22	20940	61936	0.45%	4054	15.28	AKAMAI-ASN1, NL
23	4538	59162	0.43%	5076	11.66	ERX-CERNET-BKB China Education and Research Network Center, CN
24	7155	55203	0.41%	4176	13.22	VIASAT-SP-BACKBONE, US
25	6327	50849	0.37%	3560	14.28	SHAW, CA
26	17557	49921	0.37%	6790	7.35	PKTELECOM-AS-PK Pakistan Telecommunication Company Limited, PK
27	149038	49644	0.36%	2	24822.00	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
28	647	48053	0.35%	373	128.83	DNIC-ASBLK-00616-00665, US
29	39855	46949	0.34%	589	79.71	MOD-EU, US
30	4755	46560	0.34%	2196	21.20	TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
31	749	44855	0.33%	3171	14.15	DNIC-AS-00749, US
32	367	43621	0.32%	3145	13.87	DNIC-ASBLK-00306-00371, US
33	265264	42803	0.31%	40	1070.08	ALHAMBRA EIDOS DO BRASIL SERVICOS E SISTEMAS DE CO, BR
34	45184	42263	0.31%	81	521.77	DEN-ISP-AS-IN-AP Den Digital Entertainment Pvt. Ltd. AS ISP india, IN
35	11492	41481	0.30%	4562	9.09	CABLEONE, US
36	9808	40359	0.30%	9787	4.12	CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
37	9583	39239	0.29%	1820	21.56	SIFY-AS-IN Sify Limited, IN
38	21299	39005	0.29%	708	55.09	KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ
39	9009	38112	0.28%	3516	10.84	M247, RO
40	13335	36969	0.27%	1965	18.81	CLOUDFLARENET, US
41	11664	35652	0.26%	1091	32.68	Techtel LMDS Comunicaciones Interactivas S.A., AR
42	34984	35558	0.26%	2330	15.26	TELLCOM-AS, TR
43	7018	33971	0.25%	2616	12.99	ATT-INTERNET4, US
44	264298	33777	0.25%	4	8444.25	Gr Informatica Ltda, BR
45	132829	33653	0.25%	23	1463.17	NCPL-AS-AP Nevigate Communications S Pte Ltd, SG
46	265566	33152	0.24%	4	8288.00	TELESISTEMAS PENINSULARES SA DE CV, MX
47	264496	32253	0.24%	22	1466.05	IR Tecnologia Fibralink, BR
48	266407	31958	0.23%	1	31958.00	ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR
49	45090	31280	0.23%	2209	14.16	TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN
50	133296	30702	0.23%	175	175.44	WEBWERKS-AS-IN Web Werks India Pvt. Ltd., IN
Total		4168076	30.56%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	266407	31958.0	0.23%	1	31958	ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR
2	149038	24822.0	0.36%	2	49644	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	270142	15217.0	0.11%	1	15217	Castor Networks Mexico, MX
4	39997	10190.5	0.15%	2	20381	GLIC, US
5	47855	9819.0	0.07%	1	9819	PRIME Moscow branch, RU
6	208227	9012.0	0.07%	1	9012	NEUTRINO-AS, PL
7	17794	8526.2	0.81%	14	110841	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
8	264298	8444.2	0.25%	4	33777	Gr Informatica Ltda, BR
9	265566	8288.0	0.24%	4	33152	TELESISTEMAS PENINSULARES SA DE CV, MX
10	138634	8243.0	0.06%	1	8243	MSCL-AS-AP MYNET SOLUTIONS COMPANY LIMITED, MM
11	135980	7000.0	0.10%	2	14000	ICTQUANGNINH-AS-VN Information and Communication Technology Center of Quang Ninh, VN
12	7262	6005.0	0.48%	11	66055	BTN-THREE, US
13	209856	5866.5	0.09%	2	11733	SOFT-TEHNICA, RO
14	132829	4807.6	0.25%	23	33653	NCPL-AS-AP Nevigate Communications S Pte Ltd, SG
15	7954	4559.7	0.10%	3	13679	IMMENSE-NETWORKS, US
16	9423	4478.0	0.03%	1	4478	SERVERKINGIOLLC-AS-AP ServerKing.io, LLC, US
17	139386	4320.0	0.03%	3	4320	IDNIC-NSR-CINEMA21-AS-ID PT Nusantara Sejahtera Raya, ID
18	32583	4271.0	0.06%	2	8542	LA-ENC-ASN1, US
19	61693	4213.5	0.19%	6	25281	GUIGO NET EMPRESA TOP NET PROVEDORES EIRELE, BR
20	35894	3957.0	0.17%	32	23742	NATCONET-1, US
21	13341	3657.0	0.05%	5	7314	TRANQUILITY, US
22	136103	3638.2	0.11%	4	14553	IDNIC-USM-AS-ID Universitas Semarang, ID
23	269914	2931.0	0.06%	3	8793	FRANCISCO DARIO DAVID GARCIA AYALA NETCON, PY
24	2046	2776.5	0.16%	8	22212	DNIC-AS-02046, US
25	45494	2653.0	0.02%	1	2653	LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
26	28124	2517.0	0.02%	1	2517	UFINET BRASIL S.A., BR
27	1770	2455.0	0.04%	2	4910	RINGSTADAS Ringstad Consulting AS, EU
28	271439	2432.0	0.07%	4	9728	PLANET TEL TELECOMUNICACOES - EIRELI, BR
29	270844	2355.0	0.12%	7	16485	AXION3 TELECOM LTDA, BR
30	135963	2329.5	0.03%	2	4659	MOLISA-AS-VN Information Center - Ministry of Labour - Invalids and Social Affairs, VN
31	209456	2103.0	0.02%	1	2103	WEIR-AS, RU
32	397267	1810.0	0.01%	1	1810	MURATA-MEHQ, US
33	53108	1757.6	0.12%	9	15818	UFINET BRASIL S.A., BR
34	207068	1615.0	0.01%	1	1615	UZZPPO, RS
35	329041	1559.0	0.01%	1	1559	ANDE1-AS, BF
36	272593	1521.0	0.03%	3	4563	AFCEPINET INFORMATICA EIRELI, BR
37	397314	1512.5	0.04%	4	6050	WPMALONE, US
38	26405	1505.3	0.15%	14	21074	HDCS, US
39	264496	1466.0	0.24%	22	32253	IR Tecnologia Fibralink, BR
40	27963	1398.7	0.03%	3	4196	Anglo American Chile, CL
41	207799	1387.0	0.05%	5	6935	BOTANY, IT
42	266492	1318.0	0.01%	1	1318	FLASH SERVICOS EM FIBRA OPTICA LTDA - ME, BR
43	268890	1292.5	0.02%	2	2585	ASTERNET SERVICOS DE COMUNICACAO MULTIMIDIA LTDA, BR
44	262344	1292.0	0.01%	1	1292	MEGABIT PROVEDOR DE INTERNET LTDA, BR
45	44580	1278.0	0.01%	1	1278	ARECA-BUSINESS-CENTER-AS, RO
46	269725	1256.6	0.05%	5	6283	ACAS TECNOLOGIAS S.A., PY
47	266382	1214.7	0.03%	3	3644	Mais Provedor Servicos de Internet Ltda - EPP, BR
48	271724	1194.0	0.46%	53	63284	-Reserved AS-, ZZ
49	40138	1184.5	0.05%	6	7107	MDNET, US
50	56639	1174.5	0.02%
Total		240582.3	5.90%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	203.145.78.0/24	36943	0.24%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
2	203.145.74.0/24	36936	0.24%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
3	202.45.88.0/24	36926	0.24%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	103.248.132.0/22	33597	0.21%	132829 -- NCPL-AS-AP Nevigate Communications S Pte Ltd, SG
5	45.172.92.0/22	33125	0.21%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
6	143.255.204.0/22	32004	0.20%	264496 -- IR Tecnologia Fibralink, BR
7	170.238.225.0/24	31958	0.20%	266407 -- ASSEMBLEIA LEGISLATIVA DO ESTADO DE GOIAS, BR
8	41.75.208.0/20	27077	0.17%	37133 -- airtel-tz-as, TZ
9	63.217.85.0/24	26640	0.17%	7262 -- BTN-THREE, US
10	41.209.0.0/18	25239	0.16%	9129 -- KE-NET2000, ZA
11	131.108.222.0/23	25173	0.16%	61693 -- GUIGO NET EMPRESA TOP NET PROVEDORES EIRELE, BR
12	103.177.86.0/24	24885	0.16%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
13	103.177.87.0/24	24759	0.16%	149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
14	41.221.214.0/24	24647	0.16%	7262 -- BTN-THREE, US
15	64.86.234.0/24	21686	0.14%	40009 -- BITGRAVITY, US
16	67.211.53.0/24	20909	0.13%	26405 -- HDCS, US
17	107.154.186.0/24	17345	0.11%	19551 -- INCAPSULA, US
18	209.54.122.0/24	17344	0.11%	400724 -- EZPNET, CA
19	107.154.91.0/24	17280	0.11%	19551 -- INCAPSULA, US
20	131.125.130.0/24	17238	0.11%	19551 -- INCAPSULA, US
21	103.223.2.0/24	15927	0.10%	135445 -- IDNIC-AIRPAY-AS-ID PT. Airpay International Indonesia, ID
22	45.183.178.0/24	15217	0.10%	270142 -- Castor Networks Mexico, MX
23	41.221.215.0/24	14733	0.09%	7262 -- BTN-THREE, US
24	83.243.112.0/21	14279	0.09%	35244 -- KMS-DE_AS, DE
25	207.167.116.0/22	13654	0.09%	7954 -- IMMENSE-NETWORKS, US
26	107.154.97.0/24	13062	0.08%	19551 -- INCAPSULA, US
27	138.121.148.0/22	12341	0.08%	264298 -- Gr Informatica Ltda, BR
28	181.225.48.0/24	12175	0.08%	8053 -- IFX Networks Venezuela C.A., VE
29	181.225.43.0/24	12159	0.08%	8053 -- IFX Networks Venezuela C.A., VE
30	176.124.58.0/24	11720	0.07%	209856 -- SOFT-TEHNICA, RO
31	130.137.12.0/24	11329	0.07%	16509 -- AMAZON-02, US
32	64.68.236.0/22	11282	0.07%	13904 -- COSLINK, US
33	209.22.66.0/24	11077	0.07%	2046 -- DNIC-AS-02046, US
34	209.22.67.0/24	11068	0.07%	2046 -- DNIC-AS-02046, US
35	185.32.70.0/24	10743	0.07%	51269 -- HEXATOM, FR
36	138.121.151.0/24	10710	0.07%	264298 -- Gr Informatica Ltda, BR
37	138.121.150.0/24	10709	0.07%	264298 -- Gr Informatica Ltda, BR
38	63.72.235.0/24	10191	0.07%	39997 -- GLIC, US
39	63.88.174.0/24	10190	0.07%	39997 -- GLIC, US
40	130.137.108.0/24	10031	0.06%	16509 -- AMAZON-02, US
41	185.18.201.0/24	9819	0.06%	47855 -- PRIME Moscow branch, RU
42	207.244.192.0/22	9808	0.06%	6428 -- CDM, US
43	186.170.29.0/24	9598	0.06%	3816 -- COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
44	130.137.28.0/24	9170	0.06%	16509 -- AMAZON-02, US
45	130.137.111.0/24	9136	0.06%	16509 -- AMAZON-02, US
46	130.137.124.0/24	9121	0.06%	16509 -- AMAZON-02, US
47	130.137.147.0/24	9027	0.06%	16509 -- AMAZON-02, US
48	82.177.44.0/23	9012	0.06%	208227 -- NEUTRINO-AS, PL
49	130.137.227.0/24	9011	0.06%	16509 -- AMAZON-02, US
50	130.137.16.0/24	8989	0.06%	16509 -- AMAZON-02, US
Total		866999	5.54%

14 Day BGP Profile: 20-November-2023 00:00 - 3-December-2023 23:59 (UTC+1000)

Number of BGP Update Messages:	28958910
Number of Prefix Updates:	13626072
Number of Prefix Withdrawals:	2031359
Average Prefixes per BGP Update:	0.54
Average BGP Update Messages per second:	23.94
Average Prefix Updates per second:	12.94
Peak BGP Update Message Rate per second:	42258	(09:37:43 Wed, 29-Nov-2023)
Peak Prefix Update Rate per second:	55152	(08:32:05 Wed, 29-Nov-2023)
Peak Prefix Withdraw Rate per second:	35115	(09:37:43 Wed, 29-Nov-2023)
Prefix Count:	968118
Updated Prefix Count:	900600
Stable Prefix Count:	67518
Origin AS Count:	75135
Updated Origin AS Count:	71700
Stable Origin AS Count:	3435
Unique Path Count:	582859
Updated Path Count:	474764
Stable Path Count:	108095

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.