IPv4 R&E Routing Table Report 23:05 GMT Mon 02 Jan, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 902193 Prefixes after maximum aggregation (per Origin AS): 344052 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445097 Number of IPv4 prefixes with a valid ROA: 366108 Number of IPv4 prefixes with an invalid ROA: 1496 Number of IPv4 prefixes with no ROA: 534589 Total ASes present in the Internet Routing Table: 73832 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63405 Origin ASes announcing only one prefix: 26122 Transit ASes present in the Internet Routing Table: 10427 Transit-only ASes present in the Internet Routing Table: 414 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1001 Number of instances of unregistered ASNs: 1010 Number of 32-bit ASNs allocated by the RIRs: 41005 Number of 32-bit ASNs visible in the Routing Table: 33901 Prefixes from 32-bit ASNs in the Routing Table: 165052 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3064731904 Equivalent to 182 /8s, 172 /16s and 25 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 303413 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233357 Total APNIC prefixes after maximum aggregation: 67928 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228210 Unique aggregates announced from the APNIC address blocks: 97482 APNIC Region origin ASes present in the Internet Routing Table: 13129 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3838 APNIC Region transit ASes present in the Internet Routing Table: 1766 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8449 Number of APNIC addresses announced to Internet: 773222912 Equivalent to 46 /8s, 22 /16s and 114 /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: 266463 Total ARIN prefixes after maximum aggregation: 121409 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268012 Unique aggregates announced from the ARIN address blocks: 129555 ARIN Region origin ASes present in the Internet Routing Table: 18998 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4692 Number of ARIN addresses announced to Internet: 1287852800 Equivalent to 76 /8s, 195 /16s and 19 /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: 255283 Total RIPE prefixes after maximum aggregation: 120043 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252069 Unique aggregates announced from the RIPE address blocks: 156586 RIPE Region origin ASes present in the Internet Routing Table: 28196 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3999 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10942 Number of RIPE addresses announced to Internet: 719386880 Equivalent to 42 /8s, 224 /16s and 249 /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: 117346 Total LACNIC prefixes after maximum aggregation: 28202 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116588 Unique aggregates announced from the LACNIC address blocks: 48958 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2266 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8765 Number of LACNIC addresses announced to Internet: 176008704 Equivalent to 10 /8s, 125 /16s and 174 /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: 28743 Total AfriNIC prefixes after maximum aggregation: 5717 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36803 Unique aggregates announced from the AfriNIC address blocks: 12104 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.52 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1053 Number of AfriNIC addresses announced to Internet: 107965696 Equivalent to 6 /8s, 111 /16s and 109 /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 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 787 701 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3626 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2681 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2351 847 439 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7746 10636 2931 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3682 3062 314 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3458 1790 2508 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 7018 2631 24135 1596 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6947 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4039 3399 175 AKAMAI-ASN1, NL 8551 3711 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2641 251 1353 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1800 942 530 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10938 3340 591 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2198 360 590 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1152 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 466 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1539 535 31 RAYA-AS, EG 24863 1470 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1861 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 374 319 72 TENET-1, ZA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10938 3340 591 Uninet S.A. de C.V., MX 9808 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7746 10636 2931 AMAZON-02, US 12479 6947 1706 146 UNI2-AS, ES 7545 5945 787 701 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4039 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3711 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9218 9171 CHINAMOBILE-CN China Mobile Communications Grou 12479 6947 6801 UNI2-AS, ES 7545 5945 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7746 4815 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4039 3864 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3711 3673 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3626 3605 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:38 /11:101 /12:295 /13:583 /14:1197 /15:2078 /16:13478 /17:8233 /18:13782 /19:24811 /20:42885 /21:50854 /22:108742 /23:96589 /24:538489 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5994 6947 UNI2-AS, ES 8151 4925 10938 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3176 3711 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2720 3682 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1621 2:1223 3:168 4:5 5:4090 6:110 7:5 8:1534 9:1 11:172 12:1593 13:371 14:2363 15:282 16:76 17:370 18:410 20:243 21:4 22:188 23:6002 24:2449 25:4 27:2707 29:19 31:2494 32:102 34:8 35:95 36:1849 37:4592 38:3989 39:822 40:144 41:3912 42:1043 43:2297 44:304 45:16441 46:4200 47:372 49:1708 50:1929 51:378 52:1542 54:396 55:826 56:8 57:79 58:1668 59:1103 60:1006 61:2427 62:2591 63:1936 64:5631 65:2322 66:4892 67:3039 68:1361 69:4124 70:1253 71:655 72:2990 74:2584 75:1465 76:594 77:2351 78:1834 79:2959 80:2069 81:1691 82:1477 83:1227 84:1502 85:2966 86:741 87:1924 88:1193 89:3525 90:587 91:7638 92:1980 93:2563 94:3510 95:3910 96:1315 97:344 98:1175 99:741 100:75 101:1293 102:2539 103:30672 104:4593 105:484 106:845 107:2531 108:907 109:4388 110:2043 111:3269 112:2024 113:1487 114:1601 115:2014 116:1862 117:2475 118:2286 119:1861 120:1712 121:1044 122:2575 123:2139 124:1534 125:2257 128:1240 129:1047 130:962 131:1997 132:830 133:405 134:1893 135:296 136:886 137:913 138:2588 139:1499 140:1037 141:1483 142:1410 143:1436 144:1188 145:352 146:1877 147:1536 148:2264 149:1848 150:859 151:1136 152:1964 153:476 154:3835 155:1410 156:1644 157:1300 158:1044 159:2249 160:2572 161:1427 162:3535 163:1477 164:1674 165:1661 166:825 167:1748 168:3850 169:917 170:4563 171:887 172:3506 173:3055 174:1024 175:1158 176:3675 177:4764 178:3519 179:2144 180:2407 181:3359 182:3241 183:1932 184:2347 185:19971 186:4634 187:3914 188:4078 189:3426 190:8997 191:1467 192:10937 193:8827 194:7184 195:5084 196:3058 197:2404 198:5929 199:6085 200:7650 201:5877 202:10208 203:10003 204:4591 205:3497 206:3779 207:3348 208:4098 209:4799 210:4154 211:2382 212:4056 213:3542 214:1101 215:55 216:6599 217:2635 218:1249 219:409 220:1779 221:959 222:663 223:1977 End of report