IPv4 R&E Routing Table Report 23:05 GMT Thu 05 Jan, 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: 902066 Prefixes after maximum aggregation (per Origin AS): 344103 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444774 Number of IPv4 prefixes with a valid ROA: 366838 Number of IPv4 prefixes with an invalid ROA: 1432 Number of IPv4 prefixes with no ROA: 533796 Total ASes present in the Internet Routing Table: 73847 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63421 Origin ASes announcing only one prefix: 26133 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 418 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: 990 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 41019 Number of 32-bit ASNs visible in the Routing Table: 33924 Prefixes from 32-bit ASNs in the Routing Table: 165158 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3062412800 Equivalent to 182 /8s, 136 /16s and 182 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 303560 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233259 Total APNIC prefixes after maximum aggregation: 67988 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228082 Unique aggregates announced from the APNIC address blocks: 97491 APNIC Region origin ASes present in the Internet Routing Table: 13137 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3837 APNIC Region transit ASes present in the Internet Routing Table: 1762 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: 8456 Number of APNIC addresses announced to Internet: 773238016 Equivalent to 46 /8s, 22 /16s and 173 /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: 266364 Total ARIN prefixes after maximum aggregation: 121294 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267969 Unique aggregates announced from the ARIN address blocks: 129623 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1885 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: 4698 Number of ARIN addresses announced to Internet: 1285466368 Equivalent to 76 /8s, 158 /16s and 169 /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: 255535 Total RIPE prefixes after maximum aggregation: 120115 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252370 Unique aggregates announced from the RIPE address blocks: 156204 RIPE Region origin ASes present in the Internet Routing Table: 28205 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 4000 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: 10952 Number of RIPE addresses announced to Internet: 719437568 Equivalent to 42 /8s, 225 /16s and 191 /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: 117147 Total LACNIC prefixes after maximum aggregation: 28263 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116391 Unique aggregates announced from the LACNIC address blocks: 48987 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8764 Number of LACNIC addresses announced to Internet: 175966464 Equivalent to 10 /8s, 125 /16s and 9 /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: 28771 Total AfriNIC prefixes after maximum aggregation: 5695 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36750 Unique aggregates announced from the AfriNIC address blocks: 12059 AfriNIC Region origin ASes present in the Internet Routing Table: 1711 AfriNIC Prefixes per ASN: 21.48 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1054 Number of AfriNIC addresses announced to Internet: 108011520 Equivalent to 6 /8s, 112 /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 9255 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5943 787 701 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3626 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3106 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2686 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2358 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 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 7748 10636 2931 AMAZON-02, US 11492 4547 301 566 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3687 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3467 1797 2504 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2599 24130 1573 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2570 369 359 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 6955 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4050 3399 175 AKAMAI-ASN1, NL 8551 3907 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2645 252 1353 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1802 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 10870 3331 597 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2201 361 591 Mega Cable, S.A. de C.V., MX 28573 1344 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 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1135 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 1538 533 30 RAYA-AS, EG 24863 1464 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 499 51 34 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 2018 366 319 72 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 10870 3331 597 Uninet S.A. de C.V., MX 9808 9255 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7748 10636 2931 AMAZON-02, US 12479 6955 1706 146 UNI2-AS, ES 7545 5943 787 701 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4547 301 566 CABLEONE, US 20940 4050 3399 175 AKAMAI-ASN1, NL 8551 3907 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 265 33 VIASAT-SP-BACKBONE, 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 9255 9208 CHINAMOBILE-CN China Mobile Communications Grou 12479 6955 6809 UNI2-AS, ES 7545 5943 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7748 4817 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4547 3981 CABLEONE, US 20940 4050 3875 AKAMAI-ASN1, NL 8551 3907 3869 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3894 3861 VIASAT-SP-BACKBONE, US 7552 3626 3605 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /12:295 /13:580 /14:1197 /15:2078 /16:13482 /17:8225 /18:13779 /19:24816 /20:42708 /21:50813 /22:108731 /23:96535 /24:538650 /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 6002 6955 UNI2-AS, ES 8151 4921 10870 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3454 4547 CABLEONE, US 8551 3372 3907 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2229 2570 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1622 2:1229 3:168 4:6 5:4104 6:110 7:5 8:1535 9:1 11:172 12:1593 13:371 14:2322 15:284 16:76 17:369 18:410 20:243 21:4 22:188 23:6026 24:2451 25:4 27:2705 29:19 31:2492 32:104 34:8 35:95 36:1861 37:4593 38:4008 39:824 40:144 41:3927 42:1045 43:2290 44:302 45:16410 46:4190 47:373 49:1707 50:1933 51:378 52:1544 54:396 55:866 56:8 57:79 58:1679 59:1104 60:1006 61:2421 62:2597 63:1934 64:5593 65:2321 66:4885 67:3039 68:1334 69:4126 70:1253 71:654 72:2980 74:2581 75:1465 76:595 77:2356 78:1835 79:3155 80:2068 81:1688 82:1480 83:1229 84:1497 85:2968 86:746 87:1925 88:1196 89:3534 90:586 91:7641 92:1984 93:2567 94:3519 95:3912 96:1316 97:344 98:1163 99:739 100:75 101:1292 102:2539 103:30655 104:4590 105:484 106:845 107:2531 108:909 109:4387 110:2044 111:3273 112:2024 113:1466 114:1602 115:2015 116:1865 117:2512 118:2289 119:1860 120:1710 121:1043 122:2575 123:2139 124:1533 125:2261 128:1236 129:1046 130:961 131:2002 132:827 133:405 134:1895 135:296 136:890 137:918 138:2581 139:1512 140:1025 141:1488 142:1408 143:1438 144:1187 145:352 146:1882 147:1534 148:2264 149:1851 150:859 151:1136 152:1966 153:477 154:3858 155:1409 156:1643 157:1295 158:1044 159:2253 160:2571 161:1429 162:3537 163:1470 164:1671 165:1663 166:828 167:1750 168:3839 169:915 170:4566 171:889 172:3491 173:3056 174:1023 175:1159 176:3702 177:4760 178:3547 179:2143 180:2412 181:3373 182:3242 183:1935 184:2346 185:19986 186:4621 187:3914 188:4078 189:3398 190:9025 191:1468 192:10953 193:8830 194:7200 195:5084 196:2979 197:2397 198:5928 199:6073 200:7647 201:5879 202:10212 203:10014 204:4588 205:3442 206:3784 207:3340 208:4093 209:4795 210:4153 211:2383 212:4054 213:3540 214:1099 215:55 216:6573 217:2637 218:1253 219:408 220:1779 221:964 222:664 223:1978 End of report