IPv4 R&E Routing Table Report 23:05 GMT Tue 03 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: 902012 Prefixes after maximum aggregation (per Origin AS): 343977 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444592 Number of IPv4 prefixes with a valid ROA: 366315 Number of IPv4 prefixes with an invalid ROA: 1509 Number of IPv4 prefixes with no ROA: 534188 Total ASes present in the Internet Routing Table: 73827 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63401 Origin ASes announcing only one prefix: 26121 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 417 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: 1000 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 41005 Number of 32-bit ASNs visible in the Routing Table: 33902 Prefixes from 32-bit ASNs in the Routing Table: 164990 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: 512 Number of addresses announced to Internet: 3063643904 Equivalent to 182 /8s, 155 /16s and 127 /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: 303579 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233120 Total APNIC prefixes after maximum aggregation: 67920 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 227970 Unique aggregates announced from the APNIC address blocks: 97491 APNIC Region origin ASes present in the Internet Routing Table: 13128 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3834 APNIC Region transit ASes present in the Internet Routing Table: 1763 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: 8448 Number of APNIC addresses announced to Internet: 773168384 Equivalent to 46 /8s, 21 /16s and 157 /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: 266382 Total ARIN prefixes after maximum aggregation: 121377 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267975 Unique aggregates announced from the ARIN address blocks: 129538 ARIN Region origin ASes present in the Internet Routing Table: 18998 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4694 Number of ARIN addresses announced to Internet: 1286824192 Equivalent to 76 /8s, 179 /16s and 97 /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: 255491 Total RIPE prefixes after maximum aggregation: 120044 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252252 Unique aggregates announced from the RIPE address blocks: 156154 RIPE Region origin ASes present in the Internet Routing Table: 28193 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3995 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: 10943 Number of RIPE addresses announced to Internet: 719351040 Equivalent to 42 /8s, 224 /16s and 109 /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: 117260 Total LACNIC prefixes after maximum aggregation: 28203 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116500 Unique aggregates announced from the LACNIC address blocks: 48941 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2271 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: 8767 Number of LACNIC addresses announced to Internet: 176000768 Equivalent to 10 /8s, 125 /16s and 143 /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: 28759 Total AfriNIC prefixes after maximum aggregation: 5681 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36803 Unique aggregates announced from the AfriNIC address blocks: 12055 AfriNIC Region origin ASes present in the Internet Routing Table: 1707 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1050 Number of AfriNIC addresses announced to Internet: 108004352 Equivalent to 6 /8s, 112 /16s and 4 /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 9219 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5946 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 3105 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2683 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2355 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 7755 10637 2927 AMAZON-02, US 11492 4547 301 566 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3688 3063 320 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3460 1791 2508 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 7018 2567 24124 1556 ATT-INTERNET4, 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 6947 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4042 3399 175 AKAMAI-ASN1, NL 8551 3898 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2646 252 1355 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2194 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 10876 3339 592 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 2198 360 590 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 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 1468 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 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 494 32 1 MOVITEL, MZ 2018 369 319 67 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 10876 3339 592 Uninet S.A. de C.V., MX 9808 9219 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7755 10637 2927 AMAZON-02, US 12479 6947 1706 146 UNI2-AS, ES 7545 5946 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4547 301 566 CABLEONE, US 20940 4042 3399 175 AKAMAI-ASN1, NL 8551 3898 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 9219 9172 CHINAMOBILE-CN China Mobile Communications Grou 12479 6947 6801 UNI2-AS, ES 7545 5946 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7755 4828 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4547 3981 CABLEONE, US 20940 4042 3867 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3898 3860 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 /13:583 /14:1197 /15:2078 /16:13478 /17:8234 /18:13789 /19:24808 /20:42707 /21:50815 /22:108714 /23:96542 /24:538595 /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 5994 6947 UNI2-AS, ES 8151 4902 10876 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3454 4547 CABLEONE, US 8551 3363 3898 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3688 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 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) ---------------------------------------------- 1:1621 2:1227 3:168 4:5 5:4108 6:110 7:5 8:1534 9:1 11:172 12:1593 13:371 14:2323 15:282 16:76 17:370 18:411 20:243 21:4 22:188 23:6002 24:2449 25:4 27:2707 29:19 31:2495 32:102 34:8 35:95 36:1848 37:4584 38:3991 39:822 40:144 41:3914 42:1043 43:2292 44:303 45:16445 46:4193 47:372 49:1709 50:1931 51:378 52:1542 54:395 55:825 56:8 57:79 58:1678 59:1102 60:1006 61:2427 62:2595 63:1934 64:5625 65:2322 66:4892 67:3040 68:1363 69:4123 70:1255 71:655 72:2990 74:2580 75:1465 76:595 77:2353 78:1833 79:3149 80:2068 81:1687 82:1473 83:1226 84:1490 85:2967 86:741 87:1924 88:1196 89:3527 90:586 91:7641 92:1983 93:2566 94:3521 95:3907 96:1315 97:344 98:1174 99:740 100:75 101:1293 102:2528 103:30664 104:4593 105:484 106:845 107:2533 108:906 109:4383 110:2044 111:3271 112:2026 113:1465 114:1602 115:2013 116:1865 117:2477 118:2287 119:1859 120:1711 121:1041 122:2573 123:2137 124:1533 125:2258 128:1237 129:1047 130:961 131:2001 132:826 133:405 134:1894 135:296 136:885 137:916 138:2585 139:1514 140:1037 141:1484 142:1411 143:1434 144:1188 145:352 146:1880 147:1536 148:2264 149:1852 150:859 151:1136 152:1964 153:476 154:3833 155:1400 156:1649 157:1298 158:1040 159:2251 160:2566 161:1426 162:3534 163:1476 164:1679 165:1663 166:825 167:1749 168:3843 169:917 170:4561 171:887 172:3505 173:3057 174:1024 175:1158 176:3680 177:4763 178:3530 179:2146 180:2408 181:3352 182:3241 183:1934 184:2346 185:19977 186:4626 187:3914 188:4079 189:3411 190:9007 191:1471 192:10952 193:8820 194:7191 195:5079 196:3062 197:2401 198:5921 199:6081 200:7647 201:5871 202:10207 203:10006 204:4590 205:3479 206:3781 207:3349 208:4099 209:4803 210:4153 211:2383 212:4059 213:3535 214:1099 215:55 216:6600 217:2636 218:1249 219:409 220:1779 221:958 222:663 223:1977 End of report