IPv4 R&E Routing Table Report 23:05 GMT Sat 20 Jan, 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: 930267 Prefixes after maximum aggregation (per Origin AS): 355662 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455457 Number of IPv4 prefixes with a valid ROA: 436594 Number of IPv4 prefixes with an invalid ROA: 1145 Number of IPv4 prefixes with no ROA: 492528 Total ASes present in the Internet Routing Table: 75052 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64594 Origin ASes announcing only one prefix: 26512 Transit ASes present in the Internet Routing Table: 10458 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1070 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 43429 Number of 32-bit ASNs visible in the Routing Table: 35630 Prefixes from 32-bit ASNs in the Routing Table: 179205 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 479 Number of addresses announced to Internet: 3046369536 Equivalent to 181 /8s, 147 /16s and 233 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 308713 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244761 Total APNIC prefixes after maximum aggregation: 71775 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237781 Unique aggregates announced from the APNIC address blocks: 99648 APNIC Region origin ASes present in the Internet Routing Table: 13821 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4161 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9232 Number of APNIC addresses announced to Internet: 774274048 Equivalent to 46 /8s, 38 /16s and 124 /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: 272256 Total ARIN prefixes after maximum aggregation: 123501 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276990 Unique aggregates announced from the ARIN address blocks: 131973 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6947 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1271697664 Equivalent to 75 /8s, 204 /16s and 145 /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: 261461 Total RIPE prefixes after maximum aggregation: 125044 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256085 Unique aggregates announced from the RIPE address blocks: 161083 RIPE Region origin ASes present in the Internet Routing Table: 28501 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11530 Number of RIPE addresses announced to Internet: 714356480 Equivalent to 42 /8s, 148 /16s and 55 /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: 120206 Total LACNIC prefixes after maximum aggregation: 28592 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118866 Unique aggregates announced from the LACNIC address blocks: 49464 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2355 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: 8893 Number of LACNIC addresses announced to Internet: 178027264 Equivalent to 10 /8s, 156 /16s and 123 /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: 30513 Total AfriNIC prefixes after maximum aggregation: 6035 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40066 Unique aggregates announced from the AfriNIC address blocks: 12890 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 22.12 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107730688 Equivalent to 6 /8s, 107 /16s and 215 /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 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3860 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3446 499 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2679 859 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2181 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9482 11200 3395 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1319 68 SHAW, CA 22773 3506 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3253 1421 2328 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3812 1420 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2515 23621 1582 ATT-INTERNET4, 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 7561 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3989 3396 132 AKAMAI-ASN1, NL 9009 3333 289 1598 M247, RO 12389 2904 2302 915 ROSTELECOM-AS, RU 8551 2816 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1485 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 12335 3380 615 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2495 338 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1118 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1076 118 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1548 545 28 RAYA-AS, EG 24863 1527 389 16 LINKdotNET-AS, EG 36992 1364 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1089 70 52 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 528 82 3 KENET-AS, KE 24757 483 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 12335 3380 615 UNINET, MX 9808 9769 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9482 11200 3395 AMAZON-02, US 12479 7561 1714 146 UNI2-AS, ES 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3989 3396 132 AKAMAI-ASN1, NL 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 9769 9718 CHINAMOBILE-CN China Mobile Communications Grou 12479 7561 7415 UNI2-AS, ES 16509 9482 6087 AMAZON-02, US 7545 5680 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3989 3857 AKAMAI-ASN1, NL 7552 3860 3840 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, 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 LIGHTOWER, US 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:99 /12:300 /13:575 /14:1193 /15:2063 /16:13401 /17:8127 /18:13649 /19:24707 /20:43148 /21:51143 /22:109870 /23:98357 /24:563561 /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 6646 7561 UNI2-AS, ES 8151 6308 12335 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3566 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2553 3506 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2292 2816 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1469 3:284 4:5 5:4428 6:163 7:6 8:1492 9:1 11:172 12:1482 13:374 14:2332 15:310 16:203 17:361 18:712 20:348 21:4 22:188 23:6585 24:2679 25:2 27:2515 29:19 31:2546 32:51 34:36 35:119 36:2152 37:4482 38:5963 39:888 40:149 41:4116 42:2211 43:2295 44:325 45:16729 46:4305 47:286 49:1898 50:1886 51:574 52:1592 54:361 55:860 56:5 57:133 58:1876 59:1146 60:1016 61:2598 62:2720 63:1907 64:5507 65:2340 66:4880 67:3041 68:1331 69:4082 70:1175 71:579 72:2907 74:2636 75:1554 76:621 77:2334 78:1823 79:2588 80:2129 81:1897 82:1523 83:1265 84:1624 85:3065 86:773 87:1960 88:1218 89:3946 90:660 91:7906 92:2180 93:2638 94:3591 95:4019 96:1286 97:318 98:1015 99:746 100:96 101:1166 102:3038 103:32396 104:4780 105:599 106:910 107:2745 108:1121 109:4039 110:2135 111:3139 112:2085 113:1727 114:1744 115:2000 116:1951 117:2638 118:2767 119:1951 120:1767 121:1260 122:2636 123:2171 124:1554 125:2801 126:28 128:1410 129:899 130:1066 131:1928 132:818 133:410 134:1704 135:308 136:919 137:998 138:2764 139:1558 140:1294 141:1348 142:1539 143:1534 144:1005 145:340 146:1984 147:1652 148:2496 149:2421 150:1017 151:1307 152:1962 153:528 154:5577 155:1368 156:2087 157:1399 158:1087 159:2204 160:2600 161:1621 162:3597 163:1668 164:1618 165:2090 166:1066 167:1702 168:3814 169:790 170:4684 171:992 172:3776 173:2997 174:892 175:1215 176:3612 177:4580 178:3514 179:2206 180:2367 181:3665 182:3411 183:2017 184:2279 185:20511 186:4844 187:4355 188:3982 189:3960 190:9336 191:1475 192:10995 193:8954 194:7350 195:5205 196:3176 197:2605 198:5889 199:7020 200:8045 201:6328 202:10128 203:10053 204:4572 205:3668 206:4382 207:3404 208:4091 209:4902 210:4334 211:2502 212:4215 213:3396 214:1112 215:44 216:6773 217:2769 218:1290 219:414 220:1819 221:1020 222:687 223:2198 End of report