IPv4 R&E Routing Table Report 23:05 GMT Fri 13 Oct, 2023 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: 925381 Prefixes after maximum aggregation (per Origin AS): 352652 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453716 Number of IPv4 prefixes with a valid ROA: 425562 Number of IPv4 prefixes with an invalid ROA: 1683 Number of IPv4 prefixes with no ROA: 498136 Total ASes present in the Internet Routing Table: 74736 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64280 Origin ASes announcing only one prefix: 26454 Transit ASes present in the Internet Routing Table: 10456 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 23 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1003 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 42831 Number of 32-bit ASNs visible in the Routing Table: 35180 Prefixes from 32-bit ASNs in the Routing Table: 175477 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: 512 Number of addresses announced to Internet: 3050924288 Equivalent to 181 /8s, 217 /16s and 105 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 309302 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241623 Total APNIC prefixes after maximum aggregation: 70288 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235218 Unique aggregates announced from the APNIC address blocks: 99036 APNIC Region origin ASes present in the Internet Routing Table: 13602 APNIC Prefixes per ASN: 17.29 APNIC Region origin ASes announcing only one prefix: 4077 APNIC Region transit ASes present in the Internet Routing Table: 1811 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8993 Number of APNIC addresses announced to Internet: 771098112 Equivalent to 45 /8s, 246 /16s and 6 /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: 272298 Total ARIN prefixes after maximum aggregation: 123425 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 275900 Unique aggregates announced from the ARIN address blocks: 132045 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.48 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1276997888 Equivalent to 76 /8s, 29 /16s and 113 /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: 261827 Total RIPE prefixes after maximum aggregation: 123902 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256913 Unique aggregates announced from the RIPE address blocks: 160268 RIPE Region origin ASes present in the Internet Routing Table: 28413 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11360 Number of RIPE addresses announced to Internet: 716289536 Equivalent to 42 /8s, 177 /16s and 182 /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: 118481 Total LACNIC prefixes after maximum aggregation: 28358 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117434 Unique aggregates announced from the LACNIC address blocks: 49248 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2335 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178454528 Equivalent to 10 /8s, 163 /16s and 0 /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: 30149 Total AfriNIC prefixes after maximum aggregation: 5987 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39404 Unique aggregates announced from the AfriNIC address blocks: 12694 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1143 Number of AfriNIC addresses announced to Internet: 107646208 Equivalent to 6 /8s, 106 /16s and 141 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5712 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3597 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3210 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2542 848 385 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 TATACOMM-AS TATA Communications formerl 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 9171 11006 3258 AMAZON-02, US 11492 4538 301 671 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3525 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3061 3856 1428 DNIC-ASBLK-00306-00371, US 16625 2994 1391 2286 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2511 23615 1573 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 152 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3084 276 1505 M247, RO 12389 2673 2284 895 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1714 922 546 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1521 1852 15 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 11866 3378 607 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2414 332 626 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1295 344 508 Axtel, S.A.B. de C.V., MX 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1053 168 424 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 24863 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 51 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 479 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 11866 3378 607 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9171 11006 3258 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5712 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 671 CABLEONE, US 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4080 3398 152 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9171 5913 AMAZON-02, US 7545 5712 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4206 4181 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4080 3928 AKAMAI-ASN1, NL 11492 4538 3867 CABLEONE, US 7552 3597 3577 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 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 6461 ZAYO-6461, 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:101 /12:299 /13:578 /14:1191 /15:2089 /16:13435 /17:8229 /18:13714 /19:24806 /20:43298 /21:51196 /22:109783 /23:98667 /24:557919 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6483 7397 UNI2-AS, ES 8151 5886 11866 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2578 3525 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2200 2:1435 3:266 4:5 5:4369 6:137 7:6 8:1496 9:1 11:172 12:1500 13:372 14:2307 15:303 16:194 17:366 18:660 20:307 21:4 22:188 23:6450 24:2517 25:2 27:2576 29:19 31:2515 32:75 34:26 35:114 36:2001 37:4541 38:5406 39:865 40:143 41:4001 42:2028 43:2273 44:323 45:16615 46:4285 47:371 49:1832 50:1883 51:582 52:1596 54:393 55:951 56:5 57:128 58:1786 59:1115 60:1005 61:2540 62:2670 63:1910 64:5647 65:2351 66:4961 67:3037 68:1343 69:4127 70:1186 71:639 72:2943 74:2618 75:1566 76:630 77:2299 78:1824 79:3003 80:2097 81:1824 82:1524 83:1308 84:1562 85:3054 86:757 87:2015 88:1211 89:3926 90:625 91:7853 92:2064 93:2628 94:3494 95:4043 96:1300 97:316 98:1082 99:736 100:91 101:1293 102:2916 103:32177 104:4736 105:578 106:908 107:2720 108:1134 109:4178 110:2135 111:3145 112:2053 113:1749 114:1693 115:1988 116:1891 117:2536 118:2698 119:1958 120:1778 121:1137 122:2600 123:2169 124:1579 125:2565 128:1403 129:911 130:1040 131:1961 132:857 133:408 134:1778 135:304 136:909 137:972 138:2665 139:1585 140:1298 141:1327 142:1514 143:1519 144:1005 145:350 146:1956 147:1610 148:2444 149:2325 150:877 151:1235 152:1957 153:523 154:5119 155:1392 156:2004 157:1341 158:1053 159:2195 160:2638 161:1595 162:3516 163:1610 164:1703 165:1850 166:1069 167:1737 168:3815 169:793 170:4605 171:952 172:3793 173:2974 174:984 175:1182 176:3777 177:4492 178:3556 179:2124 180:2466 181:3510 182:3376 183:1988 184:2276 185:20624 186:4717 187:4174 188:4156 189:3889 190:9288 191:1373 192:10939 193:8950 194:7288 195:5211 196:3192 197:2483 198:5920 199:6246 200:7934 201:6164 202:10189 203:9985 204:4531 205:3676 206:4322 207:3408 208:4103 209:4886 210:4212 211:2448 212:4249 213:3394 214:1112 215:70 216:6696 217:2771 218:1270 219:407 220:1802 221:983 222:664 223:2147 End of report