IPv4 R&E Routing Table Report 23:05 GMT Tue 02 Jul, 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: 945685 Prefixes after maximum aggregation (per Origin AS): 362042 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465039 Number of IPv4 prefixes with a valid ROA: 483531 Number of IPv4 prefixes with an invalid ROA: 1113 Number of IPv4 prefixes with no ROA: 461041 Total ASes present in the Internet Routing Table: 75709 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65012 Origin ASes announcing only one prefix: 26656 Transit ASes present in the Internet Routing Table: 10697 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: 4.8 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 988 Number of instances of unregistered ASNs: 991 Number of 32-bit ASNs allocated by the RIRs: 44930 Number of 32-bit ASNs visible in the Routing Table: 36589 Prefixes from 32-bit ASNs in the Routing Table: 187343 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: 547 Number of addresses announced to Internet: 3023815168 Equivalent to 180 /8s, 59 /16s and 194 /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: 310800 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249523 Total APNIC prefixes after maximum aggregation: 73527 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241472 Unique aggregates announced from the APNIC address blocks: 101042 APNIC Region origin ASes present in the Internet Routing Table: 14129 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4289 APNIC Region transit ASes present in the Internet Routing Table: 1882 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9595 Number of APNIC addresses announced to Internet: 761090816 Equivalent to 45 /8s, 93 /16s and 83 /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: 276362 Total ARIN prefixes after maximum aggregation: 125154 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280926 Unique aggregates announced from the ARIN address blocks: 134667 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4919 Number of ARIN addresses announced to Internet: 1266412800 Equivalent to 75 /8s, 123 /16s and 237 /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: 265490 Total RIPE prefixes after maximum aggregation: 127470 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260311 Unique aggregates announced from the RIPE address blocks: 165150 RIPE Region origin ASes present in the Internet Routing Table: 28630 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3933 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11861 Number of RIPE addresses announced to Internet: 713554176 Equivalent to 42 /8s, 135 /16s and 249 /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: 121534 Total LACNIC prefixes after maximum aggregation: 29024 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119610 Unique aggregates announced from the LACNIC address blocks: 50041 LACNIC Region origin ASes present in the Internet Routing Table: 11108 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2426 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8998 Number of LACNIC addresses announced to Internet: 176768256 Equivalent to 10 /8s, 137 /16s and 69 /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: 31788 Total AfriNIC prefixes after maximum aggregation: 6201 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 42819 Unique aggregates announced from the AfriNIC address blocks: 13691 AfriNIC Region origin ASes present in the Internet Routing Table: 1852 AfriNIC Prefixes per ASN: 23.12 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1216 Number of AfriNIC addresses announced to Internet: 105690112 Equivalent to 6 /8s, 76 /16s and 180 /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 9842 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5645 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3955 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3785 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 420 209 TATACOMM-AS TATA Communications formerl 45090 2191 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 10123 11534 3649 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3696 8788 880 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3423 3019 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54899 2507 DNIC-AS-00749, US 16625 3039 1316 2203 AKAMAI-AS, US 7018 2912 23670 1834 ATT-INTERNET4, US 396982 2766 3611 414 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 7708 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3810 3396 130 AKAMAI-ASN1, NL 9009 3594 306 1818 M247, RO 12389 2871 2292 861 ROSTELECOM-AS, RU 34984 2345 361 579 TELLCOM-AS, TR 8551 1739 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1701 123 1233 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1572 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 11870 3311 508 UNINET, MX 10620 3519 492 935 Telmex Colombia S.A., CO 13999 2553 357 680 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 776 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1093 369 22 Telefonica del Peru S.A.A., PE 26615 1078 2503 53 TIM SA, BR 22884 1062 97 366 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 24863 1622 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1237 78 75 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 518 56 56 WANANCHI-, KE 36914 498 82 3 KENET-AS, KE 37054 431 115 8 Telecom-Malagasy, MG 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 11870 3311 508 UNINET, MX 16509 10123 11534 3649 AMAZON-02, US 9808 9842 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7708 1708 145 UNI2-AS, ES 7545 5645 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4240 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3955 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 9842 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7708 7563 UNI2-AS, ES 16509 10123 6474 AMAZON-02, US 7545 5645 4975 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4240 4217 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3955 3934 VIETEL-AS-AP Viettel Group, VN 20940 3810 3680 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 17054 EXPEDIENT, 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.183.56.0/24 Origin: 401195 FEATHER-IT, US 23.183.56.0/24 Transit: 20473 AS-CHOOPA, 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 /9:14 /10:36 /11:93 /12:296 /13:569 /14:1170 /15:2057 /16:13203 /17:8136 /18:13602 /19:24363 /20:43098 /21:51174 /22:110697 /23:99132 /24:578021 /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 6791 7708 UNI2-AS, ES 8151 5941 11870 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3391 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3423 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2148 3519 Telmex Colombia S.A., CO 30036 2136 2476 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2128 10123 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2298 2:1504 3:365 4:6 5:4350 6:162 7:6 8:1509 9:1 11:172 12:1433 13:359 14:2365 15:318 16:219 17:369 18:775 20:387 21:4 22:188 23:6869 24:2709 25:2 27:2620 29:19 31:2574 32:45 34:65 35:134 36:2339 37:4471 38:7993 39:900 40:146 41:4027 42:1998 43:2349 44:322 45:17270 46:4486 47:301 49:1959 50:1887 51:581 52:1580 54:313 55:925 56:8 57:212 58:2087 59:1192 60:1042 61:2629 62:2749 63:1878 64:5481 65:2309 66:4603 67:2992 68:1297 69:4053 70:1165 71:572 72:2878 74:2587 75:1552 76:621 77:2498 78:1863 79:1762 80:2200 81:2017 82:1643 83:1353 84:1681 85:3180 86:920 87:2029 88:1229 89:4186 90:684 91:8149 92:2331 93:2703 94:3715 95:4196 96:1286 97:317 98:1029 99:739 100:73 101:1164 102:3511 103:32258 104:4761 105:704 106:990 107:2479 108:1142 109:3989 110:2130 111:3245 112:2042 113:1828 114:1818 115:2071 116:1872 117:2657 118:2799 119:1987 120:1778 121:1300 122:2692 123:2207 124:1610 125:2849 126:32 128:1386 129:918 130:1160 131:1871 132:806 133:414 134:1732 135:319 136:1121 137:1056 138:2865 139:1524 140:1409 141:1386 142:1667 143:1556 144:1011 145:372 146:2085 147:1980 148:2538 149:2734 150:1036 151:1368 152:2221 153:521 154:6994 155:1494 156:2291 157:1878 158:1158 159:2318 160:2762 161:1692 162:3533 163:1692 164:1673 165:2140 166:1268 167:1815 168:4038 169:788 170:4924 171:1028 172:3864 173:3032 174:888 175:1238 176:3443 177:4803 178:3681 179:2224 180:2409 181:3779 182:3341 183:1983 184:2257 185:20844 186:4943 187:4399 188:4068 189:4184 190:9436 191:1527 192:11009 193:9139 194:7509 195:5301 196:3201 197:2662 198:5914 199:7949 200:8071 201:6297 202:10206 203:10171 204:4545 205:3631 206:4418 207:3491 208:4141 209:5008 210:4398 211:2530 212:4343 213:3561 214:1057 215:49 216:6743 217:3060 218:1289 219:415 220:1806 221:1037 222:686 223:2220 End of report