IPv4 R&E Routing Table Report 23:05 GMT Wed 27 Nov, 2024 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: 961595 Prefixes after maximum aggregation (per Origin AS): 367912 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471242 Number of IPv4 prefixes with a valid ROA: 512640 Number of IPv4 prefixes with an invalid ROA: 1186 Number of IPv4 prefixes with no ROA: 447769 Total ASes present in the Internet Routing Table: 76307 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 65573 Origin ASes announcing only one prefix: 26819 Transit ASes present in the Internet Routing Table: 10734 Transit-only ASes present in the Internet Routing Table: 501 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1056 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 45908 Number of 32-bit ASNs visible in the Routing Table: 37445 Prefixes from 32-bit ASNs in the Routing Table: 194951 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3025301504 Equivalent to 180 /8s, 82 /16s and 112 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315312 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253109 Total APNIC prefixes after maximum aggregation: 75220 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245436 Unique aggregates announced from the APNIC address blocks: 101730 APNIC Region origin ASes present in the Internet Routing Table: 14387 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4399 APNIC Region transit ASes present in the Internet Routing Table: 1897 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9893 Number of APNIC addresses announced to Internet: 755506432 Equivalent to 45 /8s, 8 /16s and 29 /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, 131072-153913 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: 282243 Total ARIN prefixes after maximum aggregation: 126262 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284532 Unique aggregates announced from the ARIN address blocks: 136199 ARIN Region origin ASes present in the Internet Routing Table: 19150 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5062 Number of ARIN addresses announced to Internet: 1265894656 Equivalent to 75 /8s, 116 /16s and 5 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268635 Total RIPE prefixes after maximum aggregation: 130142 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265687 Unique aggregates announced from the RIPE address blocks: 169483 RIPE Region origin ASes present in the Internet Routing Table: 28810 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12135 Number of RIPE addresses announced to Internet: 722000128 Equivalent to 43 /8s, 8 /16s and 217 /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 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 122585 Total LACNIC prefixes after maximum aggregation: 29102 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120139 Unique aggregates announced from the LACNIC address blocks: 48694 LACNIC Region origin ASes present in the Internet Routing Table: 11161 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2470 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9080 Number of LACNIC addresses announced to Internet: 177491200 Equivalent to 10 /8s, 148 /16s and 77 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 33967 Total AfriNIC prefixes after maximum aggregation: 6535 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 45313 Unique aggregates announced from the AfriNIC address blocks: 14723 AfriNIC Region origin ASes present in the Internet Routing Table: 1915 AfriNIC Prefixes per ASN: 23.66 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 104147200 Equivalent to 6 /8s, 53 /16s and 41 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10067 8752 86 CHINAMOBILE-CN China Mobile Communication 7545 6146 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4498 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3923 516 289 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2797 835 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2216 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 11073 11967 3937 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4596 8764 869 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3404 3036 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3211 23568 2050 ATT-INTERNET4, US 396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US 16625 2807 1224 2098 AKAMAI-AS, 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 7679 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3881 3395 125 AKAMAI-ASN1, NL 9009 3668 316 1862 M247, RO 12389 2943 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1831 133 1351 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1489 98 747 CLOUVIDER Clouvider - Global ASN, GB 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 11468 3221 611 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2534 535 370 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 2503 53 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 1659 593 29 RAYA-AS, EG 24863 1642 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1418 90 57 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 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 11468 3221 611 UNINET, MX 16509 11073 11967 3937 AMAZON-02, US 9808 10067 8752 86 CHINAMOBILE-CN China Mobile Communication 12479 7679 1709 143 UNI2-AS, ES 7545 6146 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4596 8764 869 COGENT-174, US 18403 4498 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 85 VIASAT-SP-BACKBONE, US 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 10067 9981 CHINAMOBILE-CN China Mobile Communications Grou 12479 7679 7536 UNI2-AS, ES 16509 11073 7136 AMAZON-02, US 7545 6146 5485 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4498 4475 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3881 3756 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.130.28.0/24 Origin: 62880 SYNATEC, US 23.130.28.0/24 Transit: 44592 SKYLINK, NL 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, US 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 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 /9:16 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2051 /16:13114 /17:8153 /18:13592 /19:24258 /20:43941 /21:51744 /22:111494 /23:99584 /24:591468 /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 6669 7679 UNI2-AS, ES 8151 5679 11468 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3404 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2270 11073 AMAZON-02, US 30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1535 3:527 4:8 5:4522 6:166 7:6 8:1490 9:1 11:172 12:1410 13:361 14:2463 15:337 16:269 17:359 18:905 20:447 21:4 22:188 23:7036 24:2649 25:2 27:2663 29:19 31:3025 32:38 34:73 35:172 36:2385 37:4479 38:9014 39:891 40:149 41:4156 42:2143 43:2460 44:342 45:17763 46:4866 47:296 49:2004 50:1855 51:585 52:1573 54:312 55:950 56:8 57:230 58:2231 59:1180 60:1153 61:2785 62:2824 63:1839 64:5408 65:2270 66:4613 67:3021 68:1287 69:3996 70:1115 71:589 72:2858 74:2779 75:1632 76:635 77:2552 78:1863 79:1568 80:2202 81:2047 82:1770 83:1422 84:1762 85:3180 86:966 87:2161 88:1251 89:4398 90:734 91:8245 92:2645 93:2838 94:3856 95:4209 96:1243 97:313 98:1067 99:734 100:71 101:1410 102:3434 103:32291 104:4433 105:734 106:983 107:2404 108:1180 109:3975 110:2236 111:3307 112:2036 113:1791 114:1932 115:2167 116:1990 117:2723 118:2868 119:1978 120:1846 121:1352 122:2717 123:2152 124:1615 125:2840 126:62 128:1480 129:936 130:1249 131:1869 132:808 133:448 134:1526 135:321 136:1306 137:1097 138:2856 139:1534 140:1488 141:1452 142:1831 143:1595 144:1025 145:404 146:2099 147:2047 148:2568 149:2824 150:1157 151:1467 152:2105 153:498 154:7327 155:1549 156:2750 157:1859 158:1225 159:2434 160:3343 161:1703 162:3580 163:1767 164:1937 165:2149 166:1338 167:1851 168:4089 169:798 170:5017 171:996 172:3942 173:3143 174:920 175:1273 176:3548 177:4853 178:3718 179:2271 180:2551 181:3921 182:3354 183:2066 184:2264 185:21251 186:5015 187:4224 188:4212 189:4111 190:9526 191:1497 192:11140 193:9254 194:7634 195:5391 196:3204 197:3511 198:5910 199:8216 200:8026 201:6321 202:10239 203:10446 204:4622 205:3650 206:4584 207:3489 208:4218 209:5083 210:4512 211:2522 212:4504 213:3688 214:1061 215:48 216:6568 217:3076 218:1302 219:393 220:2095 221:1051 222:708 223:2285 End of report