IPv4 R&E Routing Table Report 23:05 GMT Thu 22 Feb, 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: 931866 Prefixes after maximum aggregation (per Origin AS): 356383 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456935 Number of IPv4 prefixes with a valid ROA: 447513 Number of IPv4 prefixes with an invalid ROA: 1058 Number of IPv4 prefixes with no ROA: 483295 Total ASes present in the Internet Routing Table: 75255 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64745 Origin ASes announcing only one prefix: 26589 Transit ASes present in the Internet Routing Table: 10510 Transit-only ASes present in the Internet Routing Table: 480 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: 44 Max AS path prepend of ASN (328805) 40 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43676 Number of 32-bit ASNs visible in the Routing Table: 35864 Prefixes from 32-bit ASNs in the Routing Table: 180780 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: 518 Number of addresses announced to Internet: 3041217536 Equivalent to 181 /8s, 69 /16s and 76 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245300 Total APNIC prefixes after maximum aggregation: 72013 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238125 Unique aggregates announced from the APNIC address blocks: 99742 APNIC Region origin ASes present in the Internet Routing Table: 13892 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4191 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9329 Number of APNIC addresses announced to Internet: 774081792 Equivalent to 46 /8s, 35 /16s and 141 /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: 272126 Total ARIN prefixes after maximum aggregation: 123137 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276728 Unique aggregates announced from the ARIN address blocks: 132160 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4841 Number of ARIN addresses announced to Internet: 1269525504 Equivalent to 75 /8s, 171 /16s and 108 /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: 262172 Total RIPE prefixes after maximum aggregation: 125694 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257092 Unique aggregates announced from the RIPE address blocks: 161878 RIPE Region origin ASes present in the Internet Routing Table: 28540 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3898 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11604 Number of RIPE addresses announced to Internet: 713443072 Equivalent to 42 /8s, 134 /16s and 71 /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: 120717 Total LACNIC prefixes after maximum aggregation: 28773 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119288 Unique aggregates announced from the LACNIC address blocks: 49513 LACNIC Region origin ASes present in the Internet Routing Table: 11068 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2368 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: 8916 Number of LACNIC addresses announced to Internet: 177688576 Equivalent to 10 /8s, 151 /16s and 80 /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: 30493 Total AfriNIC prefixes after maximum aggregation: 6056 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40115 Unique aggregates announced from the AfriNIC address blocks: 13210 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1174 Number of AfriNIC addresses announced to Internet: 106176512 Equivalent to 6 /8s, 84 /16s and 32 /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 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4558 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3882 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3504 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 197 TATACOMM-AS TATA Communications formerl 45090 2149 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 9637 11237 3308 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3213 1399 2287 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3130 6637 658 COGENT-174, US 367 2919 3697 1420 DNIC-ASBLK-00306-00371, US 396982 2758 3639 397 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 7610 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3869 3395 126 AKAMAI-ASN1, NL 9009 3254 283 1582 M247, RO 12389 2895 2304 908 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1502 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 STARK-INDUSTRIES, 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 12490 3368 609 UNINET, MX 10620 3523 496 891 Telmex Colombia S.A., CO 13999 2517 341 645 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1328 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1212 340 498 Axtel, S.A.B. de C.V., MX 11664 1141 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1075 117 378 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 24835 1548 545 28 RAYA-AS, EG 24863 1548 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1141 73 64 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 36914 538 82 3 KENET-AS, KE 15399 520 55 52 WANANCHI-, KE 37342 481 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 12490 3368 609 UNINET, MX 9808 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9637 11237 3308 AMAZON-02, US 12479 7610 1714 147 UNI2-AS, ES 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4558 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3882 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 9820 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7610 7463 UNI2-AS, ES 16509 9637 6329 AMAZON-02, US 7545 5656 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4558 4533 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3882 3861 VIETEL-AS-AP Viettel Group, VN 20940 3869 3743 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 215433 UNALLOCATED 5.144.176.0/24 30823 AUROLOGIC aurologic GmbH, DE 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 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 23.159.169.0/24 Origin: 40676 AS40676, US 23.159.169.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 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 /11:98 /12:300 /13:572 /14:1190 /15:2057 /16:13330 /17:8102 /18:13556 /19:24610 /20:43098 /21:50840 /22:109721 /23:98028 /24:566290 /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 6725 7610 UNI2-AS, ES 8151 6442 12490 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2655 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2129 3523 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) ---------------------------------------------- 1:2286 2:1512 3:300 4:6 5:4479 6:164 7:6 8:1497 9:1 11:172 12:1468 13:391 14:2327 15:313 16:205 17:366 18:738 20:356 21:4 22:188 23:6588 24:2700 25:2 27:2563 29:19 31:2563 32:45 34:41 35:121 36:2187 37:4497 38:6940 39:892 40:140 41:4051 42:2179 43:2289 44:329 45:16801 46:4355 47:287 49:1882 50:1894 51:575 52:1583 54:312 55:883 56:5 57:148 58:1962 59:1120 60:1019 61:2611 62:2678 63:1909 64:5513 65:2310 66:4652 67:3044 68:1336 69:4039 70:1196 71:575 72:2892 74:2585 75:1554 76:629 77:2404 78:1841 79:2472 80:2136 81:1893 82:1502 83:1237 84:1629 85:3083 86:836 87:1965 88:1225 89:3994 90:677 91:7926 92:2189 93:2632 94:3645 95:4074 96:1285 97:312 98:1031 99:745 100:92 101:1160 102:3093 103:32424 104:4761 105:600 106:928 107:2765 108:1113 109:4032 110:2138 111:3147 112:2039 113:1748 114:1754 115:1982 116:1950 117:2638 118:2757 119:1945 120:1785 121:1259 122:2675 123:2188 124:1562 125:2833 126:28 128:1478 129:913 130:1086 131:1818 132:811 133:412 134:1709 135:312 136:924 137:1020 138:2778 139:1534 140:1368 141:1346 142:1554 143:1474 144:1007 145:343 146:2009 147:1700 148:2507 149:2536 150:1024 151:1322 152:1981 153:526 154:5686 155:1369 156:2097 157:1544 158:1096 159:2216 160:2604 161:1629 162:3596 163:1691 164:1635 165:2105 166:1063 167:1700 168:3797 169:786 170:4697 171:1000 172:3831 173:3016 174:894 175:1219 176:3638 177:4529 178:3554 179:2198 180:2363 181:3634 182:3401 183:1978 184:2264 185:20604 186:4837 187:4415 188:4015 189:4120 190:9306 191:1405 192:10951 193:8990 194:7413 195:5239 196:3143 197:2662 198:5899 199:7202 200:8063 201:6297 202:10133 203:10118 204:4517 205:3698 206:4421 207:3420 208:4107 209:4949 210:4366 211:2479 212:4274 213:3402 214:1115 215:44 216:6701 217:2799 218:1315 219:408 220:1821 221:1020 222:693 223:2204 End of report