IPv4 R&E Routing Table Report 23:05 GMT Sun 25 Dec, 2022 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: 901795 Prefixes after maximum aggregation (per Origin AS): 343666 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444325 Number of IPv4 prefixes with a valid ROA: 365749 Number of IPv4 prefixes with an invalid ROA: 1559 Number of IPv4 prefixes with no ROA: 534487 Total ASes present in the Internet Routing Table: 73803 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63383 Origin ASes announcing only one prefix: 26109 Transit ASes present in the Internet Routing Table: 10420 Transit-only ASes present in the Internet Routing Table: 421 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1006 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 40973 Number of 32-bit ASNs visible in the Routing Table: 33870 Prefixes from 32-bit ASNs in the Routing Table: 164874 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3064821248 Equivalent to 182 /8s, 173 /16s and 118 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 303460 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233244 Total APNIC prefixes after maximum aggregation: 67814 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228149 Unique aggregates announced from the APNIC address blocks: 97423 APNIC Region origin ASes present in the Internet Routing Table: 13106 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1765 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8422 Number of APNIC addresses announced to Internet: 773236992 Equivalent to 46 /8s, 22 /16s and 169 /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, 131072-151865 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: 266344 Total ARIN prefixes after maximum aggregation: 121314 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267769 Unique aggregates announced from the ARIN address blocks: 129432 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4688 Number of ARIN addresses announced to Internet: 1287746816 Equivalent to 76 /8s, 193 /16s and 117 /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: 255130 Total RIPE prefixes after maximum aggregation: 119919 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251975 Unique aggregates announced from the RIPE address blocks: 156096 RIPE Region origin ASes present in the Internet Routing Table: 28190 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10944 Number of RIPE addresses announced to Internet: 719449600 Equivalent to 42 /8s, 225 /16s and 238 /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 196608-213403 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: 117305 Total LACNIC prefixes after maximum aggregation: 28174 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116601 Unique aggregates announced from the LACNIC address blocks: 48938 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2269 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8768 Number of LACNIC addresses announced to Internet: 175975168 Equivalent to 10 /8s, 125 /16s and 43 /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: 28766 Total AfriNIC prefixes after maximum aggregation: 5690 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36790 Unique aggregates announced from the AfriNIC address blocks: 12024 AfriNIC Region origin ASes present in the Internet Routing Table: 1709 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1048 Number of AfriNIC addresses announced to Internet: 108119296 Equivalent to 6 /8s, 113 /16s and 197 /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 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5946 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3367 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2680 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2350 849 435 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2161 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 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 7741 10635 2926 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3695 3049 324 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3462 1794 2514 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2613 24131 1586 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 6960 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4036 3399 175 AKAMAI-ASN1, NL 8551 3696 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 907 ROSTELECOM-AS, RU 9009 2647 252 1357 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 339 20 UKRTELNET, UA 58224 1800 942 530 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10925 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2191 358 584 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1152 370 22 Telefonica del Peru S.A.A., PE 11664 1138 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 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 1516 537 32 RAYA-AS, EG 24863 1483 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 373 319 71 TENET-1, ZA 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 10925 3340 593 Uninet S.A. de C.V., MX 9808 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7741 10635 2926 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 7545 5946 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4036 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3696 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9159 9112 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 7545 5946 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7741 4815 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4036 3861 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3696 3658 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3624 3603 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 23.131.191.0/24 Origin: 212238 CDNEXT, GB 23.131.191.0/24 Transit: 60068 CDN77 \^_^, GB 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 /9:13 /10:38 /11:101 /12:296 /13:585 /14:1198 /15:2078 /16:13483 /17:8233 /18:13778 /19:24810 /20:42859 /21:50808 /22:108698 /23:96489 /24:538303 /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 6006 6960 UNI2-AS, ES 8151 4911 10925 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3161 3696 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3695 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2195 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:1225 3:168 4:5 5:4112 6:109 7:5 8:1520 9:1 11:172 12:1610 13:370 14:2360 15:279 16:76 17:368 18:409 20:243 21:4 22:188 23:6001 24:2450 25:4 27:2709 29:19 31:2499 32:100 34:8 35:95 36:1840 37:4628 38:3963 39:821 40:144 41:3917 42:1042 43:2290 44:306 45:16413 46:4224 47:373 49:1708 50:1931 51:374 52:1543 54:396 55:755 56:8 57:81 58:1679 59:1104 60:1005 61:2427 62:2597 63:1937 64:5633 65:2322 66:4896 67:3033 68:1362 69:4131 70:1255 71:656 72:2990 74:2591 75:1464 76:594 77:2342 78:1828 79:2939 80:2069 81:1685 82:1486 83:1231 84:1492 85:2971 86:741 87:1926 88:1194 89:3514 90:591 91:7625 92:1981 93:2562 94:3502 95:3901 96:1315 97:344 98:1174 99:741 100:75 101:1290 102:2533 103:30635 104:4601 105:484 106:848 107:2544 108:908 109:4393 110:2040 111:3266 112:2031 113:1492 114:1597 115:2010 116:1867 117:2473 118:2282 119:1881 120:1696 121:1038 122:2570 123:2136 124:1534 125:2254 128:1227 129:1047 130:960 131:2007 132:831 133:403 134:1890 135:297 136:887 137:917 138:2587 139:1497 140:1022 141:1487 142:1410 143:1441 144:1187 145:352 146:1879 147:1510 148:2263 149:1849 150:863 151:1146 152:1961 153:476 154:3817 155:1407 156:1630 157:1291 158:1043 159:2232 160:2574 161:1429 162:3538 163:1463 164:1672 165:1651 166:815 167:1746 168:3838 169:921 170:4570 171:887 172:3512 173:3055 174:1024 175:1156 176:3625 177:4786 178:3536 179:2153 180:2408 181:3358 182:3238 183:1935 184:2363 185:19963 186:4639 187:3925 188:4087 189:3441 190:9024 191:1473 192:10952 193:8818 194:7182 195:5085 196:3058 197:2400 198:5925 199:6070 200:7651 201:5878 202:10226 203:9995 204:4597 205:3518 206:3766 207:3342 208:4100 209:4794 210:4151 211:2382 212:4062 213:3528 214:1101 215:55 216:6584 217:2641 218:1249 219:408 220:1779 221:953 222:663 223:1975 End of report