The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 25 September 2021 06:33 (UTC+1000)

50 Most active ASes for the past 14 days

RANKASN             UPDs            %PrefixesUPDs/PrefixAS NAME
181511839892.00%928919.81Uninet S.A. de C.V., MX
2295711520431.66%785193.69ORANGE-COTE-IVOIRE, CI
3165091299951.42%566522.95AMAZON-02, US
4458991043691.14%301934.57VNPT-AS-VN VNPT Corp, VN
536903869920.95%118373.54MT-MPLS, MA
67713771590.84%353721.81TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
76713674750.73%614109.89IAM-AS, MA
817794658030.72%144700.21HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
99829598230.65%188331.77BSNL-NIB National Internet Backbone, IN
10133201547100.60%122944.52COMING-AS ABCDE GROUP COMPANY LIMITED, HK
1113213537800.59%347154.99UK2NET-AS, GB
1250710521980.57%86360.48EARTHLINK-AS, IQ
139394511140.56%180528.32CTTNET China TieTong Telecommunications Corporation, CN
1458224501130.55%164530.46TCI, IR
1547730449310.49%222465.50JEANDELESTRE, FR
1618403442610.48%185223.90FPT-AS-AP The Corporation for Financing & Promoting Technology, VN
1713188414780.45%161125.75TRIOLAN, UA
1839891396190.43%326912.12ALJAWWALSTC-AS, SA
1945271375510.41%83445.03ICLNET-AS-AP Idea Cellular Limited, IN
207545360300.39%58476.16TPG-INTERNET-AP TPG Telecom Limited, AU
2122773359650.39%40598.86ASN-CXA-ALL-CCI-22773-RDC, US
2247331357390.39%82684.32TTNET, TR
2337133344050.37%70491.50airtel-tz-as, TZ
2412025341420.37%125273.14IMDC-AS12025, US
258048341200.37%42480.47CANTV Servicios, Venezuela, VE
26647336200.37%259129.81DNIC-ASBLK-00616-00665, US
277155308460.34%39687.77VIASAT-SP-BACKBONE, US
289583301230.33%175317.18SIFY-AS-IN Sify Limited, IN
296147298390.32%109027.38Telefonica del Peru S.A.A., PE
302046296340.32%74233.43DNIC-AS-02046, US
3126405294480.32%161840.50HDCS, US
329808280640.31%83933.34CMNET-GD Guangdong Mobile Communication Co.Ltd., CN
331541269960.29%77234.97DNIC-ASBLK-01534-01546, US
3412696267440.29%201337.20AXA-TECH Paris, FR
3556041252910.28%153416.49CMNET-ZHEJIANG-AP China Mobile communications corporation, CN
3620101247840.27%151652.27MICHWAVE, US
3712479246030.27%69933.52UNI2-AS, ES
385972245100.27%232410.55DNIC-ASBLK-05800-06055, US
40264020244300.27%73490.00FAST TELECOM, BR
4127871244250.27%102442.50Telecom Argentina S.A., AR
4225019240930.26%119220.21SAUDINETSTC-AS, SA
4327669237290.26%151581.93E-life Paraguay S.A., PY
4413904224660.24%180124.81COSLINK, US
4524863222430.24%164513.52LINKdotNET-AS, EG
4635986216130.24%209103.41VYVE-BROADBAND, US
479919215220.23%73529.28NCIC-TW New Century InfoComm Tech Co., Ltd., TW
4812654214110.23%40535.27RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
4964050212130.23%82325.78BCPL-SG BGPNET Global ASN, SG
507552207010.23%37205.56VIETEL-AS-AP Viettel Group, VN
Total 224465524.47%

50 Most active ASes for the past 14 days

RANKASN             UPDs/Prefix         %PrefixesUPDs   AS NAME
14773022465.50.49%244931JEANDELESTRE, FR
213734611480.00.13%111480CNI-AS-ID PT Cyber Network Indonesia, ID
31354908832.00.19%217664BAL-AS-AP Business Automation Ltd., BD
42119754772.00.05%14772WOHLERT, DE
5177944700.20.72%1465803HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
620464233.40.32%729634DNIC-AS-02046, US
7454944186.00.05%14186LAHAI-SG NREN ASN for Misc. Root Servers and Community, NP
82640203490.00.27%724430FAST TELECOM, BR
9220623238.00.04%33238GEOSTAR, US
10278713053.10.27%1024425Telecom Argentina S.A., AR
11399973049.50.07%26099GLIC, US
1231343023.30.10%39070USAID-ASN, US
13311042769.00.03%12769EVACY, FR
14264052265.20.32%1629448HDCS, US
1589872099.50.05%294199AMAZON EXPANSION, IE
163285702094.30.07%36283Fibrecom-Limited, ZM
172093051958.20.09%47833CFL, LU
1892641861.30.06%35584ASNET Academia Sinica, TW
192638641741.90.21%1219161CLIC RAPIDO TELECOMUNICACAO LTDA, BR
203995041715.00.02%11715STREAMING-SYSTEMS-LLC, US
21181831706.80.07%46827NCREE National Center for Research on Earthquake Engineering, TW
22201011652.30.27%1524784MICHWAVE, US
23505151603.00.09%58015TIER-DATA-CENTER, RO
24276691581.90.26%1523729E-life Paraguay S.A., PY
25394641571.60.09%57858RO-STARDESIGN-ASN, RO
27126961337.20.29%2026744AXA-TECH Paris, FR
28486461290.40.07%56452STEFAN6, DE
29177161226.20.05%44905NTU-TW National Taiwan University, TW
30380051213.00.01%81213MIMOS-REN-AS-AP MIMOS R&D Malaysia, MY
31196741206.70.04%33620NAVPOINT, US
3392681202.00.01%651202OVERTHEWIRE-AS-AP Over The Wire Pty Ltd, AU
34181811106.30.04%33319NHRINET National Health Research Institutes, TW
351379961071.50.05%44286WITGLOBALCOMMUNICATIONS WIT Philippines, Inc., PH
37347231025.30.03%33076RNT-AS Str Inclinata 1-3, Sector 5, Bucuresti, Romania, RO
3922485962.40.10%109624MONTANA-OPTICOM-AS22485, US
404622911.70.06%65470ID-NIC Indonesia Network Information Center, ID
41207578859.00.02%21718FIBRAFAST-AS, IT
42212948853.00.01%1853NIRVANET-AS Nirvanet Network, FR
4344992842.00.01%2842NINEPACKET-AS, GB
4443069829.00.01%1829RANDOM, FR
4561424828.00.02%51656ESERVER-SK-AS, SK
46138848789.00.02%21578IDNIC-FAKFAKKAB-AS-ID Pemerintah Daerah Kabupaten Fakfak, ID
4732953769.60.12%1410775MHCV-AS1, US
4862500744.00.01%2744ENL, US
49140406743.00.01%1743IDNIC-BOLMONGKAB-AS-ID Pemerintah Kabupaten Bolaang Mongondow, ID
Total 1264265.51%

50 Most active Prefixes for the past 14 days

RANKPREFIX           UPDs            %Origin AS -- AS NAME
1197.186.0.0/15335520.36%37133 -- airtel-tz-as, TZ -- HDCS, US
3200.108.140.0/24236830.25%27669 -- E-life Paraguay S.A., PY
445.148.160.0/24227790.24%47730 -- JEANDELESTRE, FR
545.148.160.0/22221520.24%47730 -- JEANDELESTRE, FR
6203.145.78.0/24219220.23%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
7202.45.88.0/24219220.23%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
8203.145.74.0/24219150.23%17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
964.68.236.0/22216680.23%13904 -- COSLINK, US
10170.79.222.0/23188860.20%263864 -- CLIC RAPIDO TELECOMUNICACAO LTDA, BR
11103.79.118.0/24176580.19%135490 -- BAL-AS-AP Business Automation Ltd., BD
12138.207.67.0/24170330.18%12025 -- IMDC-AS12025, US
13138.207.66.0/24168390.18%12025 -- IMDC-AS12025, US
14209.22.66.0/24147910.16%2046 -- DNIC-AS-02046, US
15209.22.67.0/24147780.16%2046 -- DNIC-AS-02046, US
16199.192.180.0/22129430.14%20101 -- MICHWAVE, US
17216.18.240.0/20118130.13%20101 -- MICHWAVE, US
18182.23.171.0/24114800.12%137346 -- CNI-AS-ID PT Cyber Network Indonesia, ID
19130.137.79.0/2494430.10%16509 -- AMAZON-02, US
20130.137.108.0/2493850.10%16509 -- AMAZON-02, US
21130.137.121.0/2493790.10%16509 -- AMAZON-02, US
22130.137.80.0/2492530.10%16509 -- AMAZON-02, US
23130.137.78.0/2492100.10%16509 -- AMAZON-02, US
24130.137.90.0/2491790.10%16509 -- AMAZON-02, US
25130.137.89.0/2490560.10%14618 -- AMAZON-AES, US
26130.137.140.0/2488270.09%16509 -- AMAZON-02, US
2784.205.66.0/2487450.09%12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
28200.110.228.0/2485730.09%27871 -- Telecom Argentina S.A., AR
29200.110.229.0/2485710.09%27871 -- Telecom Argentina S.A., AR
30130.137.99.0/2484040.09%16509 -- AMAZON-02, US
31130.137.105.0/2483900.09%16509 -- AMAZON-02, US
32130.137.86.0/2483500.09%16509 -- AMAZON-02, US
33130.137.81.0/2483120.09%16509 -- AMAZON-02, US
34130.137.85.0/2481990.09%16509 -- AMAZON-02, US
35130.137.102.0/2478710.08%16509 -- AMAZON-02, US
36123.201.108.0/2472490.08%18207 -- YOU-INDIA-AP YOU Broadband & Cable India Ltd., IN
37216.194.128.0/2172390.08%27871 -- Telecom Argentina S.A., AR
3894.26.16.0/2461260.07%204281 -- NETX_, BG
39143.0.146.0/2361010.06%264020 -- FAST TELECOM, BR
40143.0.144.0/2360990.06%264020 -- FAST TELECOM, BR
41143.0.144.0/2260990.06%264020 -- FAST TELECOM, BR
42143.0.146.0/2460980.06%264020 -- FAST TELECOM, BR
43192.141.188.0/2359320.06%267494 -- DNL NETWORK TELECOMUNICACOES LTDA, BR
44208.123.112.0/2258990.06%7828 -- DRMSCPASN, US
45102.67.162.0/2458870.06%328570 -- Fibrecom-Limited, ZM
46205.71.224.0/2057950.06%5237 -- DNIC-ASBLK-05120-05376, US
647 -- DNIC-ASBLK-00616-00665, US
47216.59.160.0/1955700.06%32953 -- MHCV-AS1, US
48130.137.111.0/2453890.06%16509 -- AMAZON-02, US
49102.135.212.0/2253660.06%37088 -- VDT-AS, NG
50116.193.189.0/2453570.06%4622 -- ID-NIC Indonesia Network Information Center, ID
Total 5945916.32%

14 Day BGP Profile: 11-September-2021 00:00 - 24-September-2021 23:59 (UTC+1000)

Number of BGP Update Messages:  21807259
Number of Prefix Updates:  9182528
Number of Prefix Withdrawals:  216217
Average Prefixes per BGP Update:  0.43
Average BGP Update Messages per second:  18.03
Average Prefix Updates per second:  7.77
Peak BGP Update Message Rate per second:  66364  (09:45:12 Tue, 21-Sep-2021)
Peak Prefix Update Rate per second:  836  (20:16:28 Tue, 14-Sep-2021)
Peak Prefix Withdraw Rate per second:  45712  (09:44:39 Tue, 21-Sep-2021)
Prefix Count:  912503
Updated Prefix Count:  615245
Stable Prefix Count:  297258
Origin AS Count:  72216
Updated Origin AS Count:  57599
Stable Origin AS Count:  14617
Unique Path Count:  512255
Updated Path Count:  381036
Stable Path Count:  131219


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


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.