IPv4 R&E Routing Table Report 23:05 GMT Fri 20 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: 952492 Prefixes after maximum aggregation (per Origin AS): 364918 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466407 Number of IPv4 prefixes with a valid ROA: 499391 Number of IPv4 prefixes with an invalid ROA: 1284 Number of IPv4 prefixes with no ROA: 451817 Total ASes present in the Internet Routing Table: 76008 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65281 Origin ASes announcing only one prefix: 26776 Transit ASes present in the Internet Routing Table: 10727 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 961 Number of instances of unregistered ASNs: 968 Number of 32-bit ASNs allocated by the RIRs: 45396 Number of 32-bit ASNs visible in the Routing Table: 37024 Prefixes from 32-bit ASNs in the Routing Table: 191328 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3033915392 Equivalent to 180 /8s, 213 /16s and 224 /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: 312850 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251697 Total APNIC prefixes after maximum aggregation: 74783 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243396 Unique aggregates announced from the APNIC address blocks: 100639 APNIC Region origin ASes present in the Internet Routing Table: 14254 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4340 APNIC Region transit ASes present in the Internet Routing Table: 1888 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: 9737 Number of APNIC addresses announced to Internet: 761692928 Equivalent to 45 /8s, 102 /16s and 131 /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: 279072 Total ARIN prefixes after maximum aggregation: 125753 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282631 Unique aggregates announced from the ARIN address blocks: 135222 ARIN Region origin ASes present in the Internet Routing Table: 19112 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1916 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: 4998 Number of ARIN addresses announced to Internet: 1266874368 Equivalent to 75 /8s, 130 /16s and 248 /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: 266337 Total RIPE prefixes after maximum aggregation: 128778 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262991 Unique aggregates announced from the RIPE address blocks: 167237 RIPE Region origin ASes present in the Internet Routing Table: 28713 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11985 Number of RIPE addresses announced to Internet: 723262720 Equivalent to 43 /8s, 28 /16s and 29 /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: 122260 Total LACNIC prefixes after maximum aggregation: 28727 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120091 Unique aggregates announced from the LACNIC address blocks: 48537 LACNIC Region origin ASes present in the Internet Routing Table: 11154 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2476 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9057 Number of LACNIC addresses announced to Internet: 177668608 Equivalent to 10 /8s, 151 /16s and 2 /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: 32165 Total AfriNIC prefixes after maximum aggregation: 6248 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 42842 Unique aggregates announced from the AfriNIC address blocks: 14310 AfriNIC Region origin ASes present in the Internet Routing Table: 1883 AfriNIC Prefixes per ASN: 22.75 AfriNIC Region origin ASes announcing only one prefix: 686 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: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1247 Number of AfriNIC addresses announced to Internet: 104119552 Equivalent to 6 /8s, 52 /16s and 189 /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 10045 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5766 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4360 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3987 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3792 507 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2817 848 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 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 10730 11811 3751 AMAZON-02, US 11492 4643 309 546 CABLEONE, US 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3993 8780 912 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3483 55081 2706 DNIC-AS-00749, US 22773 3409 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3102 23686 1942 ATT-INTERNET4, US 396982 2830 3603 428 GOOGLE-CLOUD-PLATFORM, US 16625 2786 1230 2096 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 7638 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3784 3395 125 AKAMAI-ASN1, NL 9009 3671 313 1876 M247, RO 12389 2858 2283 864 ROSTELECOM-AS, RU 34984 2331 357 582 TELLCOM-AS, TR 212238 1788 129 1324 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1581 1852 14 TE-AS TE-AS, EG 8551 1449 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11710 3255 495 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2554 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 782 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 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 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 975 523 48 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 517 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 509 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 11710 3255 495 UNINET, MX 16509 10730 11811 3751 AMAZON-02, US 9808 10045 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7638 1708 145 UNI2-AS, ES 7545 5766 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4643 309 546 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4360 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 88 VIASAT-SP-BACKBONE, US 174 3993 8780 912 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 10045 9976 CHINAMOBILE-CN China Mobile Communications Grou 12479 7638 7493 UNI2-AS, ES 16509 10730 6979 AMAZON-02, US 7545 5766 5105 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4360 4337 FPT-AS-AP FPT Telecom Company, VN 11492 4643 4097 CABLEONE, US 7155 4168 4080 VIASAT-SP-BACKBONE, US 7552 3987 3962 VIETEL-AS-AP Viettel Group, VN 20940 3784 3659 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 /13:575 /14:1168 /15:2064 /16:13183 /17:8140 /18:13602 /19:24254 /20:43409 /21:51384 /22:111115 /23:99479 /24:583655 /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 6682 7638 UNI2-AS, ES 8151 5874 11710 UNINET, MX 11492 3553 4643 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2542 3409 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 16509 2172 10730 AMAZON-02, US 30036 2169 2508 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1516 3:474 4:8 5:4489 6:161 7:6 8:1509 9:1 11:172 12:1426 13:371 14:2386 15:328 16:259 17:360 18:888 20:408 21:4 22:188 23:6848 24:2680 25:2 27:2632 29:19 31:2728 32:44 34:68 35:139 36:2357 37:4529 38:8554 39:916 40:154 41:4141 42:2037 43:2409 44:332 45:17468 46:4642 47:300 49:1997 50:1875 51:579 52:1581 54:317 55:965 56:8 57:219 58:2169 59:1198 60:1076 61:2765 62:2769 63:1845 64:5435 65:2278 66:4644 67:3020 68:1334 69:3989 70:1132 71:568 72:2856 74:2776 75:1633 76:619 77:2551 78:1858 79:1625 80:2194 81:2009 82:1690 83:1370 84:1752 85:3106 86:1000 87:2073 88:1255 89:4330 90:679 91:8252 92:2492 93:2759 94:3787 95:4282 96:1274 97:316 98:1074 99:737 100:73 101:1164 102:3388 103:32176 104:4448 105:708 106:986 107:2379 108:1158 109:3967 110:2145 111:3303 112:2048 113:1778 114:1890 115:2084 116:1957 117:2677 118:2863 119:1988 120:1870 121:1348 122:2692 123:2135 124:1619 125:2828 126:64 128:1365 129:928 130:1222 131:1844 132:812 133:444 134:1505 135:310 136:1204 137:1055 138:2828 139:1511 140:1453 141:1442 142:1753 143:1610 144:1025 145:371 146:2079 147:2037 148:2542 149:2793 150:1068 151:1367 152:2096 153:502 154:6519 155:1498 156:2462 157:1821 158:1192 159:2441 160:3092 161:1728 162:3560 163:1755 164:1942 165:2137 166:1304 167:1835 168:4041 169:781 170:4938 171:1035 172:3902 173:3098 174:903 175:1248 176:3457 177:4813 178:3597 179:2207 180:2435 181:3883 182:3319 183:2058 184:2257 185:21062 186:4986 187:4333 188:4177 189:4191 190:9610 191:1489 192:11047 193:9235 194:7550 195:5388 196:3206 197:2703 198:5911 199:8119 200:8132 201:6349 202:10231 203:10348 204:4577 205:3629 206:4441 207:3557 208:4169 209:5098 210:4494 211:2558 212:4452 213:3657 214:1068 215:62 216:6639 217:2943 218:1323 219:389 220:2042 221:1046 222:713 223:2232 End of report