IPv4 R&E Routing Table Report 21:10 GMT Thu 04 May, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 918542 Prefixes after maximum aggregation (per Origin AS): 348277 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448085 Number of IPv4 prefixes with a valid ROA: 395975 Number of IPv4 prefixes with an invalid ROA: 2746 Number of IPv4 prefixes with no ROA: 519821 Total ASes present in the Internet Routing Table: 74369 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63890 Origin ASes announcing only one prefix: 26194 Transit ASes present in the Internet Routing Table: 10479 Transit-only ASes present in the Internet Routing Table: 433 Paths with bogon ASNs present in the IPv4 Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1102 Number of instances of unregistered ASNs: 1161 Number of 32-bit ASNs allocated by the RIRs: 41787 Number of 32-bit ASNs visible in the Routing Table: 34540 Prefixes from 32-bit ASNs in the Routing Table: 170689 Number of bogon 32-bit ASNs visible in the Routing Table: 165 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3059255552 Equivalent to 182 /8s, 88 /16s and 137 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 306686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241196 Total APNIC prefixes after maximum aggregation: 68770 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 235703 Unique aggregates announced from the APNIC address blocks: 97891 APNIC Region origin ASes present in the Internet Routing Table: 13402 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3941 APNIC Region transit ASes present in the Internet Routing Table: 1802 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8721 Number of APNIC addresses announced to Internet: 773093376 Equivalent to 46 /8s, 20 /16s and 120 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 269563 Total ARIN prefixes after maximum aggregation: 122340 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271803 Unique aggregates announced from the ARIN address blocks: 129955 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4787 Number of ARIN addresses announced to Internet: 1283364608 Equivalent to 76 /8s, 126 /16s and 151 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 259401 Total RIPE prefixes after maximum aggregation: 122175 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255519 Unique aggregates announced from the RIPE address blocks: 158146 RIPE Region origin ASes present in the Internet Routing Table: 28330 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12054 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11168 Number of RIPE addresses announced to Internet: 718136064 Equivalent to 42 /8s, 205 /16s and 227 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 118001 Total LACNIC prefixes after maximum aggregation: 28389 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117285 Unique aggregates announced from the LACNIC address blocks: 49323 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2623 LACNIC Region transit ASes present in the Internet Routing Table: 2301 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8777 Number of LACNIC addresses announced to Internet: 176651520 Equivalent to 10 /8s, 135 /16s and 125 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 29279 Total AfriNIC prefixes after maximum aggregation: 5809 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37606 Unique aggregates announced from the AfriNIC address blocks: 12254 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1087 Number of AfriNIC addresses announced to Internet: 107613184 Equivalent to 6 /8s, 106 /16s and 12 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4040 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3562 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2949 490 235 BBIL-AP BHARTI Airtel Ltd., IN 4538 2749 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8268 10780 2941 AMAZON-02, US 11492 4531 300 613 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3592 3074 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3164 1575 2354 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2522 24151 1583 ATT-INTERNET4, US 30036 2504 360 437 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7279 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4090 3399 166 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 909 ROSTELECOM-AS, RU 9009 2716 252 1399 M247, RO 34984 2273 359 611 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 535 TCI, IR 13188 1607 100 18 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11222 3324 589 Uninet S.A. de C.V., MX 10620 3509 507 854 Telmex Colombia S.A., CO 13999 2341 359 621 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1591 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11222 3324 589 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8268 10780 2941 AMAZON-02, US 12479 7279 1707 141 UNI2-AS, ES 7545 5723 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4531 300 613 CABLEONE, US 20940 4090 3399 166 AKAMAI-ASN1, NL 45899 4040 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 3976 281 51 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7279 7138 UNI2-AS, ES 16509 8268 5327 AMAZON-02, US 7545 5723 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4040 3999 VNPT-AS-VN VNPT Corp, VN 7155 3976 3925 VIASAT-SP-BACKBONE, US 20940 4090 3924 AKAMAI-ASN1, NL 11492 4531 3918 CABLEONE, US 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:105 /12:301 /13:580 /14:1195 /15:2084 /16:13468 /17:8215 /18:14236 /19:25030 /20:43710 /21:51142 /22:109356 /23:97488 /24:551562 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6339 7279 UNI2-AS, ES 8151 5195 11222 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3440 4531 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2655 3592 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3509 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1783 2:1298 3:175 4:5 5:4518 6:127 7:6 8:1529 9:1 11:172 12:1535 13:387 14:2324 15:300 16:182 17:373 18:420 20:256 21:4 22:188 23:6249 24:2606 25:6 27:2538 29:19 31:2495 32:75 34:11 35:108 36:1940 37:4691 38:4549 39:827 40:150 41:3908 42:1242 43:2357 44:309 45:16546 46:4270 47:362 49:1731 50:1824 51:573 52:1592 54:389 55:863 56:8 57:118 58:1786 59:1152 60:991 61:2446 62:2634 63:1918 64:5664 65:2325 66:4996 67:3026 68:1353 69:4094 70:1235 71:679 72:2982 74:2614 75:1484 76:613 77:2454 78:1815 79:3174 80:2123 81:1773 82:1498 83:1277 84:1520 85:2961 86:764 87:2022 88:1174 89:3688 90:610 91:7747 92:2073 93:2622 94:3621 95:4019 96:1310 97:335 98:1154 99:745 100:74 101:1076 102:2699 103:31376 104:4655 105:488 106:866 107:2518 108:1026 109:4421 110:2104 111:3088 112:2033 113:1594 114:1636 115:2074 116:1899 117:2541 118:2375 119:2020 120:1796 121:1093 122:2598 123:2204 124:1563 125:2492 128:1394 129:1086 130:1017 131:2017 132:812 133:422 134:1900 135:304 136:880 137:1093 138:2575 139:1562 140:1240 141:1458 142:1441 143:1506 144:1151 145:344 146:1949 147:1582 148:2561 149:2218 150:887 151:1165 152:1814 153:568 154:4434 155:1447 156:1794 157:1312 158:1061 159:2320 160:2543 161:1537 162:3516 163:1571 164:1621 165:1732 166:1027 167:1733 168:3874 169:943 170:4576 171:858 172:3543 173:2931 174:1067 175:1188 176:3665 177:4590 178:3594 179:2164 180:2614 181:3472 182:3344 183:1980 184:2357 185:20193 186:4776 187:3970 188:4096 189:3577 190:9166 191:1435 192:10943 193:8871 194:7318 195:5152 196:3111 197:2369 198:5943 199:6106 200:8037 201:5865 202:10553 203:10289 204:4589 205:3679 206:4324 207:3445 208:4085 209:4847 210:4359 211:2437 212:4154 213:3599 214:1088 215:59 216:6657 217:2683 218:1316 219:470 220:2022 221:978 222:782 223:2146 End of report