IPv4 R&E Routing Table Report 23:05 GMT Wed 04 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: 902052 Prefixes after maximum aggregation (per Origin AS): 344083 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444879 Number of IPv4 prefixes with a valid ROA: 366704 Number of IPv4 prefixes with an invalid ROA: 1535 Number of IPv4 prefixes with no ROA: 533813 Total ASes present in the Internet Routing Table: 73824 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63390 Origin ASes announcing only one prefix: 26120 Transit ASes present in the Internet Routing Table: 10434 Transit-only ASes present in the Internet Routing Table: 416 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: 991 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 41015 Number of 32-bit ASNs visible in the Routing Table: 33910 Prefixes from 32-bit ASNs in the Routing Table: 164984 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: 506 Number of addresses announced to Internet: 3062320896 Equivalent to 182 /8s, 135 /16s and 79 /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: 303549 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233124 Total APNIC prefixes after maximum aggregation: 67915 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 227975 Unique aggregates announced from the APNIC address blocks: 97494 APNIC Region origin ASes present in the Internet Routing Table: 13130 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3835 APNIC Region transit ASes present in the Internet Routing Table: 1768 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8450 Number of APNIC addresses announced to Internet: 773169920 Equivalent to 46 /8s, 21 /16s and 163 /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: 266333 Total ARIN prefixes after maximum aggregation: 121362 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267930 Unique aggregates announced from the ARIN address blocks: 129623 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4695 Number of ARIN addresses announced to Internet: 1285457408 Equivalent to 76 /8s, 158 /16s and 134 /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: 255506 Total RIPE prefixes after maximum aggregation: 120103 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252268 Unique aggregates announced from the RIPE address blocks: 156237 RIPE Region origin ASes present in the Internet Routing Table: 28198 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12033 RIPE Region transit ASes present in the Internet Routing Table: 4002 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: 10947 Number of RIPE addresses announced to Internet: 719416320 Equivalent to 42 /8s, 225 /16s and 108 /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: 117312 Total LACNIC prefixes after maximum aggregation: 28239 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116551 Unique aggregates announced from the LACNIC address blocks: 48995 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: 2675 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: 8766 Number of LACNIC addresses announced to Internet: 175968256 Equivalent to 10 /8s, 125 /16s and 16 /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: 28786 Total AfriNIC prefixes after maximum aggregation: 5715 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36822 Unique aggregates announced from the AfriNIC address blocks: 12118 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.53 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: 1052 Number of AfriNIC addresses announced to Internet: 108015616 Equivalent to 6 /8s, 112 /16s and 48 /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 9224 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 787 702 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 3107 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2683 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2356 848 436 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 7753 10636 2936 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 3463 1795 2504 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 7018 2568 24124 1556 ATT-INTERNET4, US 30036 2568 368 369 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 6946 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4049 3399 175 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2650 252 1357 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 10927 3330 598 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 2198 360 590 Mega Cable, S.A. de C.V., MX 28573 1342 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 1134 186 466 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 1539 535 31 RAYA-AS, EG 24863 1477 392 39 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 528 53 45 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 2018 374 319 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 10927 3330 598 Uninet S.A. de C.V., MX 9808 9224 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7753 10636 2936 AMAZON-02, US 12479 6946 1706 146 UNI2-AS, ES 7545 5944 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4547 301 566 CABLEONE, US 20940 4049 3399 175 AKAMAI-ASN1, NL 8551 3904 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 9224 9177 CHINAMOBILE-CN China Mobile Communications Grou 12479 6946 6800 UNI2-AS, ES 7545 5944 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7753 4817 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4547 3981 CABLEONE, US 20940 4049 3874 AKAMAI-ASN1, NL 8551 3904 3866 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 /16:13481 /17:8223 /18:13779 /19:24809 /20:42709 /21:50836 /22:108716 /23:96549 /24:538623 /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 5993 6946 UNI2-AS, ES 8151 4946 10927 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3454 4547 CABLEONE, US 8551 3369 3904 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 2227 2568 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 2:1227 3:168 4:5 5:4108 6:110 7:5 8:1534 9:1 11:172 12:1589 13:371 14:2322 15:284 16:76 17:369 18:409 20:243 21:4 22:188 23:6017 24:2448 25:4 27:2706 29:19 31:2493 32:102 34:8 35:95 36:1848 37:4589 38:3994 39:822 40:144 41:3920 42:1044 43:2292 44:304 45:16434 46:4195 47:372 49:1710 50:1933 51:378 52:1543 54:396 55:828 56:8 57:79 58:1679 59:1104 60:1006 61:2421 62:2596 63:1934 64:5591 65:2316 66:4883 67:3039 68:1336 69:4124 70:1255 71:654 72:2979 74:2579 75:1465 76:595 77:2352 78:1835 79:3153 80:2071 81:1687 82:1478 83:1226 84:1494 85:2965 86:743 87:1922 88:1195 89:3532 90:586 91:7641 92:1983 93:2566 94:3512 95:3909 96:1315 97:344 98:1165 99:741 100:75 101:1294 102:2537 103:30652 104:4586 105:484 106:845 107:2531 108:908 109:4386 110:2042 111:3270 112:2024 113:1466 114:1601 115:2013 116:1865 117:2477 118:2290 119:1860 120:1710 121:1043 122:2576 123:2137 124:1534 125:2259 128:1239 129:1047 130:961 131:2003 132:827 133:404 134:1895 135:296 136:888 137:920 138:2587 139:1513 140:1039 141:1486 142:1408 143:1434 144:1188 145:352 146:1881 147:1533 148:2264 149:1844 150:859 151:1136 152:1964 153:477 154:3838 155:1402 156:1647 157:1298 158:1037 159:2253 160:2571 161:1429 162:3534 163:1475 164:1675 165:1662 166:828 167:1749 168:3849 169:916 170:4563 171:889 172:3506 173:3056 174:1023 175:1159 176:3681 177:4763 178:3534 179:2150 180:2410 181:3364 182:3242 183:1935 184:2346 185:19972 186:4617 187:3913 188:4081 189:3425 190:9029 191:1469 192:10952 193:8826 194:7201 195:5088 196:3065 197:2397 198:5923 199:6075 200:7652 201:5881 202:10207 203:10009 204:4589 205:3500 206:3783 207:3345 208:4094 209:4804 210:4153 211:2383 212:4056 213:3526 214:1097 215:55 216:6584 217:2638 218:1249 219:409 220:1779 221:959 222:663 223:1978 End of report