IPv4 R&E Routing Table Report 23:05 GMT Thu 16 May, 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: 941161 Prefixes after maximum aggregation (per Origin AS): 360215 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461501 Number of IPv4 prefixes with a valid ROA: 472525 Number of IPv4 prefixes with an invalid ROA: 1197 Number of IPv4 prefixes with no ROA: 467439 Total ASes present in the Internet Routing Table: 75550 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64989 Origin ASes announcing only one prefix: 26653 Transit ASes present in the Internet Routing Table: 10561 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 988 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 44481 Number of 32-bit ASNs visible in the Routing Table: 36324 Prefixes from 32-bit ASNs in the Routing Table: 185081 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 597 Number of addresses announced to Internet: 3026072576 Equivalent to 180 /8s, 94 /16s and 52 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310484 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248621 Total APNIC prefixes after maximum aggregation: 73104 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240851 Unique aggregates announced from the APNIC address blocks: 101100 APNIC Region origin ASes present in the Internet Routing Table: 14069 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4285 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9517 Number of APNIC addresses announced to Internet: 760838656 Equivalent to 45 /8s, 89 /16s and 122 /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: 275071 Total ARIN prefixes after maximum aggregation: 124584 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279718 Unique aggregates announced from the ARIN address blocks: 133676 ARIN Region origin ASes present in the Internet Routing Table: 19120 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4900 Number of ARIN addresses announced to Internet: 1267318528 Equivalent to 75 /8s, 137 /16s and 191 /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, 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: 265340 Total RIPE prefixes after maximum aggregation: 126761 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260189 Unique aggregates announced from the RIPE address blocks: 163691 RIPE Region origin ASes present in the Internet Routing Table: 28586 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3892 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11766 Number of RIPE addresses announced to Internet: 713849600 Equivalent to 42 /8s, 140 /16s and 123 /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, 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: 120995 Total LACNIC prefixes after maximum aggregation: 29008 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119240 Unique aggregates announced from the LACNIC address blocks: 49585 LACNIC Region origin ASes present in the Internet Routing Table: 11090 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2394 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8975 Number of LACNIC addresses announced to Internet: 176914176 Equivalent to 10 /8s, 139 /16s and 127 /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: 30146 Total AfriNIC prefixes after maximum aggregation: 6087 AfriNIC Deaggregation factor: 4.95 Prefixes being announced from the AfriNIC address blocks: 40566 Unique aggregates announced from the AfriNIC address blocks: 12984 AfriNIC Region origin ASes present in the Internet Routing Table: 1786 AfriNIC Prefixes per ASN: 22.71 AfriNIC Region origin ASes announcing only one prefix: 633 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166 Number of AfriNIC addresses announced to Internet: 106805504 Equivalent to 6 /8s, 93 /16s and 185 /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 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5637 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4416 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3910 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3731 507 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3600 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3292 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2795 864 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2195 434 199 TATACOMM-AS TATA Communications formerl 45090 2153 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 9910 11376 3537 AMAZON-02, US 11492 4616 306 605 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3614 8780 867 COGENT-174, US 6327 3596 1320 79 SHAW, CA 22773 3488 3040 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3224 54904 2476 DNIC-AS-00749, US 16625 3024 1294 2192 AKAMAI-AS, US 7018 2828 23659 1785 ATT-INTERNET4, US 367 2794 3457 1311 DNIC-ASBLK-00306-00371, 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 7764 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3800 3396 129 AKAMAI-ASN1, NL 9009 3348 292 1654 M247, RO 12389 2894 2293 859 ROSTELECOM-AS, RU 8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 581 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 212238 1582 114 1151 CDNEXT, GB 8452 1580 1852 14 TE-AS TE-AS, EG 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 12210 3321 494 UNINET, MX 10620 3510 492 939 Telmex Colombia S.A., CO 13999 2540 353 663 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 789 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1182 176 442 Techtel LMDS Comunicaciones Interactiva 6503 1122 314 478 Axtel, S.A.B. de C.V., MX 6147 1085 369 22 Telefonica del Peru S.A.A., PE 26615 1074 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1196 77 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 494 55 52 WANANCHI-, KE 37342 444 32 1 MOVITEL, MZ 24757 433 73 5 EthioNet-AS, ET 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 12210 3321 494 UNINET, MX 16509 9910 11376 3537 AMAZON-02, US 9808 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7764 1708 145 UNI2-AS, ES 7545 5637 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4616 306 605 CABLEONE, US 18403 4416 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3910 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9827 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7764 7619 UNI2-AS, ES 16509 9910 6373 AMAZON-02, US 7545 5637 4963 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4416 4393 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4616 4011 CABLEONE, US 7552 3910 3889 VIETEL-AS-AP Viettel Group, VN 20940 3800 3671 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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 BTN-ASN, 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.178.72.0/24 Origin: 47272 HYEHOST HYEHOST Hosting Solutions, GB 23.178.72.0/24 Transit: 210667 SMISHCRAFT Adam Goodenough TA Smishcraft 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 /9:14 /10:36 /11:94 /12:297 /13:575 /14:1169 /15:2042 /16:13206 /17:8109 /18:13557 /19:24369 /20:42999 /21:51090 /22:110505 /23:98575 /24:574500 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6860 7764 UNI2-AS, ES 8151 6239 12210 UNINET, MX 11492 3525 4616 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3596 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2590 3488 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2136 3510 Telmex Colombia S.A., CO 16509 2118 9910 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2271 2:1507 3:347 4:6 5:4557 6:164 7:6 8:1507 9:1 11:172 12:1455 13:362 14:2358 15:318 16:211 17:364 18:765 20:375 21:4 22:188 23:6702 24:2715 25:2 27:2540 29:19 31:2571 32:45 34:62 35:133 36:2305 37:4473 38:7473 39:896 40:125 41:3891 42:2167 43:2347 44:316 45:17004 46:4475 47:307 49:1903 50:1900 51:575 52:1577 54:314 55:998 56:5 57:168 58:2012 59:1191 60:1027 61:2632 62:2673 63:1891 64:5516 65:2347 66:4670 67:2984 68:1320 69:4095 70:1187 71:584 72:2856 74:2584 75:1558 76:614 77:2482 78:1849 79:2518 80:2192 81:2007 82:1605 83:1330 84:1649 85:3152 86:855 87:1993 88:1247 89:4070 90:679 91:8107 92:2298 93:2687 94:3706 95:4184 96:1277 97:315 98:1037 99:742 100:72 101:1169 102:3171 103:32570 104:4776 105:674 106:946 107:2744 108:1147 109:4102 110:2133 111:3253 112:2066 113:1772 114:1785 115:2072 116:1877 117:2649 118:2811 119:1973 120:1766 121:1270 122:2687 123:2202 124:1614 125:2860 126:32 128:1421 129:925 130:1136 131:1835 132:796 133:412 134:1732 135:323 136:1010 137:990 138:2818 139:1542 140:1386 141:1345 142:1574 143:1505 144:1010 145:362 146:2050 147:1917 148:2503 149:2745 150:1031 151:1329 152:2147 153:521 154:6382 155:1457 156:2274 157:1768 158:1150 159:2328 160:2651 161:1684 162:3549 163:1692 164:1647 165:2146 166:1162 167:1796 168:3901 169:787 170:4872 171:1021 172:3845 173:3040 174:889 175:1206 176:3641 177:4692 178:3712 179:2181 180:2366 181:3742 182:3391 183:1996 184:2263 185:20773 186:4927 187:4432 188:4056 189:4110 190:9414 191:1490 192:10965 193:9080 194:7485 195:5283 196:3020 197:2319 198:5915 199:7832 200:7924 201:6240 202:10222 203:10173 204:4560 205:3723 206:4427 207:3476 208:4131 209:5009 210:4403 211:2523 212:4302 213:3421 214:1064 215:49 216:6821 217:2997 218:1294 219:415 220:1819 221:1033 222:706 223:2210 End of report