IPv4 R&E Routing Table Report 23:05 GMT Thu 12 Sep, 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: 950365 Prefixes after maximum aggregation (per Origin AS): 364558 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465284 Number of IPv4 prefixes with a valid ROA: 496642 Number of IPv4 prefixes with an invalid ROA: 1305 Number of IPv4 prefixes with no ROA: 452418 Total ASes present in the Internet Routing Table: 75973 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65247 Origin ASes announcing only one prefix: 26809 Transit ASes present in the Internet Routing Table: 10726 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 966 Number of instances of unregistered ASNs: 973 Number of 32-bit ASNs allocated by the RIRs: 45346 Number of 32-bit ASNs visible in the Routing Table: 36983 Prefixes from 32-bit ASNs in the Routing Table: 191246 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 573 Number of addresses announced to Internet: 3033237504 Equivalent to 180 /8s, 203 /16s and 136 /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: 312236 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251081 Total APNIC prefixes after maximum aggregation: 74731 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242822 Unique aggregates announced from the APNIC address blocks: 100525 APNIC Region origin ASes present in the Internet Routing Table: 14252 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4348 APNIC Region transit ASes present in the Internet Routing Table: 1886 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9728 Number of APNIC addresses announced to Internet: 761387008 Equivalent to 45 /8s, 97 /16s and 216 /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: 278214 Total ARIN prefixes after maximum aggregation: 125719 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 282067 Unique aggregates announced from the ARIN address blocks: 134739 ARIN Region origin ASes present in the Internet Routing Table: 19105 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4987 Number of ARIN addresses announced to Internet: 1266671104 Equivalent to 75 /8s, 127 /16s and 222 /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: 265589 Total RIPE prefixes after maximum aggregation: 128426 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261901 Unique aggregates announced from the RIPE address blocks: 166709 RIPE Region origin ASes present in the Internet Routing Table: 28701 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3931 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11974 Number of RIPE addresses announced to Internet: 723086080 Equivalent to 43 /8s, 25 /16s and 107 /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: 122158 Total LACNIC prefixes after maximum aggregation: 28664 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 119969 Unique aggregates announced from the LACNIC address blocks: 48490 LACNIC Region origin ASes present in the Internet Routing Table: 11149 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2474 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: 177621760 Equivalent to 10 /8s, 150 /16s and 75 /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: 32357 Total AfriNIC prefixes after maximum aggregation: 6393 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 43033 Unique aggregates announced from the AfriNIC address blocks: 14340 AfriNIC Region origin ASes present in the Internet Routing Table: 1877 AfriNIC Prefixes per ASN: 22.93 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 359 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: 1242 Number of AfriNIC addresses announced to Internet: 104162560 Equivalent to 6 /8s, 53 /16s and 101 /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 9939 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5709 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4278 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3959 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3615 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2808 841 467 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 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 10706 11807 3738 AMAZON-02, US 11492 4642 308 545 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3995 8782 913 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3484 55080 2707 DNIC-AS-00749, US 22773 3424 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3095 23685 1935 ATT-INTERNET4, US 396982 2813 3570 431 GOOGLE-CLOUD-PLATFORM, US 16625 2799 1243 2106 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 7636 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3787 3395 125 AKAMAI-ASN1, NL 9009 3668 312 1860 M247, RO 12389 2856 2282 863 ROSTELECOM-AS, RU 34984 2333 359 584 TELLCOM-AS, TR 212238 1806 129 1329 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 62240 1390 92 666 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 11672 3251 497 UNINET, MX 10620 3542 494 934 Telmex Colombia S.A., CO 13999 2552 534 364 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1336 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 776 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1611 593 29 RAYA-AS, EG 24863 1598 389 18 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 953 523 48 Vodafone-, EG 6713 558 1861 35 IAM-AS, MA 36914 541 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 510 57 58 WANANCHI-, 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 11672 3251 497 UNINET, MX 16509 10706 11807 3738 AMAZON-02, US 9808 9939 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7636 1708 145 UNI2-AS, ES 7545 5709 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 308 545 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4278 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3995 8782 913 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 9939 9864 CHINAMOBILE-CN China Mobile Communications Grou 12479 7636 7491 UNI2-AS, ES 16509 10706 6968 AMAZON-02, US 7545 5709 5050 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4278 4255 FPT-AS-AP FPT Telecom Company, VN 11492 4642 4097 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3959 3938 VIETEL-AS-AP Viettel Group, VN 20940 3787 3662 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 /11:92 /12:295 /13:573 /14:1166 /15:2063 /16:13162 /17:8125 /18:13591 /19:24257 /20:43328 /21:51294 /22:111034 /23:99356 /24:581952 /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 6691 7636 UNI2-AS, ES 8151 5845 11672 UNINET, MX 11492 3553 4642 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2559 3424 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2171 3542 Telmex Colombia S.A., CO 30036 2162 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2160 10706 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 2:1512 3:470 4:7 5:4483 6:161 7:6 8:1507 9:1 11:172 12:1428 13:375 14:2373 15:327 16:259 17:360 18:882 20:408 21:4 22:188 23:6816 24:2677 25:2 27:2618 29:19 31:2718 32:44 34:68 35:138 36:2358 37:4500 38:8504 39:921 40:153 41:4120 42:1968 43:2408 44:333 45:17470 46:4598 47:300 49:1977 50:1874 51:574 52:1581 54:316 55:963 56:8 57:215 58:2166 59:1201 60:1065 61:2762 62:2743 63:1845 64:5448 65:2278 66:4635 67:3025 68:1341 69:4001 70:1143 71:566 72:2850 74:2654 75:1562 76:620 77:2532 78:1855 79:1516 80:2194 81:2016 82:1683 83:1367 84:1757 85:3137 86:994 87:2060 88:1244 89:4299 90:680 91:8217 92:2477 93:2756 94:3758 95:4272 96:1273 97:316 98:1071 99:737 100:73 101:1158 102:3370 103:32204 104:4375 105:707 106:983 107:2382 108:1156 109:3941 110:2130 111:3240 112:2047 113:1800 114:1884 115:2047 116:1957 117:2673 118:2867 119:1982 120:1805 121:1351 122:2691 123:2128 124:1620 125:2820 126:64 128:1358 129:931 130:1208 131:1838 132:815 133:428 134:1505 135:310 136:1196 137:1064 138:2850 139:1514 140:1447 141:1449 142:1739 143:1619 144:1021 145:365 146:2074 147:2032 148:2542 149:2792 150:1070 151:1364 152:2089 153:502 154:6517 155:1435 156:2447 157:1806 158:1186 159:2435 160:3061 161:1708 162:3553 163:1744 164:1690 165:1897 166:1308 167:1851 168:4035 169:799 170:4951 171:1031 172:3897 173:3090 174:902 175:1249 176:3452 177:4789 178:3591 179:2193 180:2448 181:3899 182:3319 183:2030 184:2258 185:21012 186:5003 187:4263 188:4096 189:4131 190:9609 191:1502 192:11034 193:9218 194:7530 195:5394 196:3228 197:3086 198:5914 199:8104 200:8110 201:6325 202:10209 203:10350 204:4583 205:3644 206:4478 207:3527 208:4172 209:5081 210:4496 211:2557 212:4428 213:3664 214:1061 215:63 216:6700 217:2940 218:1331 219:388 220:2034 221:1046 222:709 223:2233 End of report