IPv4 R&E Routing Table Report 23:05 GMT Fri 20 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: 903227 Prefixes after maximum aggregation (per Origin AS): 343925 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 444807 Number of IPv4 prefixes with a valid ROA: 369062 Number of IPv4 prefixes with an invalid ROA: 1531 Number of IPv4 prefixes with no ROA: 532634 Total ASes present in the Internet Routing Table: 73927 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63497 Origin ASes announcing only one prefix: 26138 Transit ASes present in the Internet Routing Table: 10430 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 961 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 41076 Number of 32-bit ASNs visible in the Routing Table: 34021 Prefixes from 32-bit ASNs in the Routing Table: 166080 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: 500 Number of addresses announced to Internet: 3062311936 Equivalent to 182 /8s, 135 /16s and 44 /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: 303615 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233662 Total APNIC prefixes after maximum aggregation: 68005 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228757 Unique aggregates announced from the APNIC address blocks: 97597 APNIC Region origin ASes present in the Internet Routing Table: 13163 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3816 APNIC Region transit ASes present in the Internet Routing Table: 1769 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8486 Number of APNIC addresses announced to Internet: 773131776 Equivalent to 46 /8s, 21 /16s and 14 /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: 266070 Total ARIN prefixes after maximum aggregation: 120864 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268077 Unique aggregates announced from the ARIN address blocks: 129694 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4716 Number of ARIN addresses announced to Internet: 1285598464 Equivalent to 76 /8s, 160 /16s and 173 /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: 255969 Total RIPE prefixes after maximum aggregation: 120305 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252264 Unique aggregates announced from the RIPE address blocks: 156088 RIPE Region origin ASes present in the Internet Routing Table: 28224 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10989 Number of RIPE addresses announced to Internet: 719052544 Equivalent to 42 /8s, 219 /16s and 223 /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: 117405 Total LACNIC prefixes after maximum aggregation: 28290 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116576 Unique aggregates announced from the LACNIC address blocks: 49019 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2276 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: 8779 Number of LACNIC addresses announced to Internet: 176126720 Equivalent to 10 /8s, 127 /16s and 123 /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: 29160 Total AfriNIC prefixes after maximum aggregation: 5714 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37053 Unique aggregates announced from the AfriNIC address blocks: 12002 AfriNIC Region origin ASes present in the Internet Routing Table: 1707 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1051 Number of AfriNIC addresses announced to Internet: 108114944 Equivalent to 6 /8s, 113 /16s and 180 /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 9436 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5943 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3109 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2715 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2163 440 214 TATACOMM-AS TATA Communications formerl 45090 2147 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 7823 10712 2914 AMAZON-02, US 11492 4530 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3692 3067 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3461 1784 2510 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2592 24127 1569 ATT-INTERNET4, US 396982 2581 3494 370 GOOGLE-CLOUD-PLATFORM, US 30036 2570 368 356 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 6966 1705 145 UNI2-AS, ES 39891 4557 269 60 ALJAWWALSTC-AS, SA 20940 4044 3399 171 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2691 255 1355 M247, RO 34984 2253 358 609 TELLCOM-AS, TR 6849 2197 339 20 UKRTELNET, UA 58224 1825 944 537 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 10895 3338 587 Uninet S.A. de C.V., MX 10620 3472 507 854 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2222 366 594 Mega Cable, S.A. de C.V., MX 28573 1350 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 369 22 Telefonica del Peru S.A.A., PE 11664 1135 186 466 Techtel LMDS Comunicaciones Interactiva 26615 1007 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 1544 533 30 RAYA-AS, EG 24863 1503 393 21 LINKdotNET-AS, EG 36992 1332 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1004 67 46 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 612 1861 34 IAM-AS, MA 15399 528 54 45 WANANCHI-, KE 24757 494 73 5 EthioNet-AS, ET 37342 494 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 10895 3338 587 Uninet S.A. de C.V., MX 9808 9436 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7823 10712 2914 AMAZON-02, US 12479 6966 1705 145 UNI2-AS, ES 7545 5943 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4557 269 60 ALJAWWALSTC-AS, SA 11492 4530 300 601 CABLEONE, US 20940 4044 3399 171 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3895 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 9436 9389 CHINAMOBILE-CN China Mobile Communications Grou 12479 6966 6821 UNI2-AS, ES 7545 5943 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7823 4909 AMAZON-02, US 39891 4557 4497 ALJAWWALSTC-AS, SA 11492 4530 3929 CABLEONE, US 20940 4044 3873 AKAMAI-ASN1, NL 8551 3904 3866 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 7552 3634 3613 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 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /14:1200 /15:2078 /16:13473 /17:8239 /18:13782 /19:24831 /20:42772 /21:50828 /22:108821 /23:96795 /24:539356 /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 6033 6966 UNI2-AS, ES 8151 4916 10895 Uninet S.A. de C.V., MX 39891 3548 4557 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3369 3904 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2727 3692 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2227 2570 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2048 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1626 2:1229 3:168 4:5 5:4105 6:110 7:5 8:1522 9:1 11:172 12:1586 13:375 14:2323 15:286 16:79 17:370 18:422 20:243 21:4 22:188 23:6046 24:2474 25:4 27:2649 29:19 31:2501 32:99 34:9 35:104 36:1896 37:4601 38:4024 39:833 40:155 41:3953 42:1042 43:2294 44:302 45:16342 46:4175 47:374 49:1728 50:1924 51:379 52:1548 54:395 55:860 56:8 57:78 58:1676 59:1113 60:1007 61:2419 62:2618 63:1938 64:5646 65:2317 66:4907 67:3044 68:1344 69:4129 70:1252 71:660 72:2977 74:2579 75:1464 76:593 77:2380 78:1822 79:3166 80:2078 81:1683 82:1480 83:1225 84:1504 85:2941 86:744 87:1932 88:1209 89:3536 90:590 91:7618 92:1973 93:2585 94:3523 95:3924 96:1328 97:345 98:1163 99:740 100:75 101:1292 102:2542 103:30819 104:4583 105:483 106:846 107:2529 108:913 109:4323 110:2072 111:3293 112:2042 113:1467 114:1606 115:2019 116:1874 117:2562 118:2287 119:1879 120:1734 121:1046 122:2580 123:2146 124:1558 125:2281 128:1252 129:1035 130:963 131:1989 132:828 133:406 134:1904 135:299 136:886 137:926 138:2562 139:1542 140:1035 141:1486 142:1402 143:1477 144:1193 145:349 146:1831 147:1545 148:2265 149:1873 150:861 151:1133 152:1945 153:478 154:3904 155:1403 156:1652 157:1298 158:1044 159:2260 160:2557 161:1423 162:3523 163:1468 164:1605 165:1665 166:826 167:1752 168:3847 169:915 170:4595 171:895 172:3507 173:2995 174:1021 175:1159 176:3684 177:4736 178:3552 179:2132 180:2410 181:3363 182:3242 183:1934 184:2339 185:19970 186:4657 187:3923 188:4060 189:3493 190:9056 191:1426 192:10922 193:8809 194:7199 195:5102 196:3100 197:2413 198:5930 199:6078 200:7682 201:5724 202:10219 203:10009 204:4594 205:3502 206:3786 207:3362 208:4075 209:4793 210:4156 211:2389 212:4047 213:3561 214:1089 215:55 216:6617 217:2628 218:1257 219:400 220:1779 221:968 222:665 223:2032 End of report