IPv4 R&E Routing Table Report 23:05 GMT Wed 28 Aug, 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: 949948 Prefixes after maximum aggregation (per Origin AS): 363973 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466000 Number of IPv4 prefixes with a valid ROA: 494182 Number of IPv4 prefixes with an invalid ROA: 1335 Number of IPv4 prefixes with no ROA: 454431 Total ASes present in the Internet Routing Table: 75891 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65180 Origin ASes announcing only one prefix: 26727 Transit ASes present in the Internet Routing Table: 10711 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 971 Number of instances of unregistered ASNs: 987 Number of 32-bit ASNs allocated by the RIRs: 45256 Number of 32-bit ASNs visible in the Routing Table: 36889 Prefixes from 32-bit ASNs in the Routing Table: 191155 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 606 Number of addresses announced to Internet: 3033465600 Equivalent to 180 /8s, 207 /16s and 3 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312319 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250897 Total APNIC prefixes after maximum aggregation: 74592 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242843 Unique aggregates announced from the APNIC address blocks: 100797 APNIC Region origin ASes present in the Internet Routing Table: 14229 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4326 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9697 Number of APNIC addresses announced to Internet: 761321984 Equivalent to 45 /8s, 96 /16s and 218 /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: 277716 Total ARIN prefixes after maximum aggregation: 125387 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281775 Unique aggregates announced from the ARIN address blocks: 134638 ARIN Region origin ASes present in the Internet Routing Table: 19090 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4962 Number of ARIN addresses announced to Internet: 1266579968 Equivalent to 75 /8s, 126 /16s and 122 /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: 265998 Total RIPE prefixes after maximum aggregation: 128303 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261820 Unique aggregates announced from the RIPE address blocks: 166266 RIPE Region origin ASes present in the Internet Routing Table: 28671 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3931 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11943 Number of RIPE addresses announced to Internet: 723653120 Equivalent to 43 /8s, 34 /16s and 18 /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: 121976 Total LACNIC prefixes after maximum aggregation: 28666 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 119832 Unique aggregates announced from the LACNIC address blocks: 49618 LACNIC Region origin ASes present in the Internet Routing Table: 11142 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2462 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9052 Number of LACNIC addresses announced to Internet: 177229824 Equivalent to 10 /8s, 144 /16s and 80 /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: 32390 Total AfriNIC prefixes after maximum aggregation: 6393 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 43072 Unique aggregates announced from the AfriNIC address blocks: 14163 AfriNIC Region origin ASes present in the Internet Routing Table: 1873 AfriNIC Prefixes per ASN: 23.00 AfriNIC Region origin ASes announcing only one prefix: 679 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1235 Number of AfriNIC addresses announced to Internet: 104358144 Equivalent to 6 /8s, 56 /16s and 97 /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 9897 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5701 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1841 103 VNPT-AS-VN VNPT Corp, VN 24560 2789 826 481 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 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 10560 11788 3745 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3957 8782 911 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3420 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3235 54890 2487 DNIC-AS-00749, US 7018 2940 23674 1849 ATT-INTERNET4, US 16625 2916 1240 2100 AKAMAI-AS, US 396982 2793 3568 422 GOOGLE-CLOUD-PLATFORM, 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 7698 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3749 3395 126 AKAMAI-ASN1, NL 9009 3665 312 1857 M247, RO 12389 2857 2289 855 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1781 127 1312 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 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 11835 3291 515 UNINET, MX 10620 3539 494 932 Telmex Colombia S.A., CO 13999 2514 353 673 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 774 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1151 374 163 Axtel, S.A.B. de C.V., MX 19037 1068 278 31 AMX Argentina S.A., AR 22884 1066 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6147 1057 369 22 Telefonica del Peru S.A.A., PE 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 1622 593 29 RAYA-AS, EG 24863 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 15399 510 57 58 WANANCHI-, KE 37342 508 32 1 MOVITEL, MZ 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 11835 3291 515 UNINET, MX 16509 10560 11788 3745 AMAZON-02, US 9808 9897 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7698 1708 145 UNI2-AS, ES 7545 5701 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3957 8782 911 COGENT-174, 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 9897 9822 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7553 UNI2-AS, ES 16509 10560 6815 AMAZON-02, US 7545 5701 5042 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4316 4293 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3957 3935 VIETEL-AS-AP Viettel Group, VN 20940 3749 3623 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /10:37 /11:93 /12:294 /13:573 /14:1165 /15:2054 /16:13168 /17:8132 /18:13595 /19:24354 /20:43120 /21:51253 /22:110885 /23:99323 /24:581862 /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 6757 7698 UNI2-AS, ES 8151 5956 11835 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2558 3420 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2168 3539 Telmex Colombia S.A., CO 30036 2158 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2135 10560 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1513 3:449 4:6 5:4441 6:162 7:6 8:1513 9:1 11:172 12:1428 13:348 14:2364 15:327 16:259 17:362 18:873 20:405 21:4 22:188 23:6799 24:2690 25:2 27:2618 29:19 31:2664 32:44 34:68 35:138 36:2347 37:4509 38:8412 39:917 40:151 41:4115 42:1998 43:2400 44:331 45:17480 46:4637 47:298 49:2016 50:1857 51:574 52:1575 54:315 55:959 56:8 57:213 58:2159 59:1206 60:1063 61:2747 62:2776 63:1852 64:5457 65:2289 66:4635 67:3011 68:1342 69:4028 70:1147 71:562 72:2853 74:2637 75:1562 76:612 77:2508 78:1849 79:1778 80:2189 81:2014 82:1663 83:1369 84:1712 85:3175 86:959 87:2034 88:1241 89:4256 90:691 91:8208 92:2438 93:2724 94:3746 95:4263 96:1270 97:316 98:1061 99:734 100:73 101:1161 102:3563 103:32269 104:4490 105:705 106:984 107:2369 108:1162 109:4069 110:2135 111:3242 112:2051 113:1802 114:1848 115:2050 116:1954 117:2668 118:2869 119:1988 120:1799 121:1344 122:2691 123:2232 124:1604 125:2832 126:64 128:1349 129:932 130:1201 131:1863 132:812 133:428 134:1508 135:311 136:1185 137:1059 138:2854 139:1530 140:1446 141:1464 142:1693 143:1623 144:1029 145:364 146:2094 147:2025 148:2522 149:2800 150:1065 151:1356 152:2088 153:501 154:6532 155:1431 156:2406 157:1791 158:1185 159:2444 160:3017 161:1709 162:3552 163:1728 164:1680 165:2146 166:1294 167:1850 168:4046 169:803 170:4976 171:1039 172:3896 173:3075 174:902 175:1252 176:3450 177:4719 178:3566 179:2229 180:2456 181:3867 182:3334 183:2023 184:2258 185:20984 186:4985 187:4355 188:4086 189:4185 190:9500 191:1529 192:11031 193:9213 194:7508 195:5331 196:3215 197:3012 198:5920 199:8063 200:8035 201:6332 202:10217 203:10354 204:4550 205:3643 206:4479 207:3528 208:4171 209:5041 210:4494 211:2545 212:4386 213:3676 214:1063 215:49 216:6716 217:2942 218:1330 219:422 220:1815 221:1047 222:703 223:2231 End of report