IPv4 R&E Routing Table Report 23:05 GMT Mon 09 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: 902597 Prefixes after maximum aggregation (per Origin AS): 344096 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444702 Number of IPv4 prefixes with a valid ROA: 367735 Number of IPv4 prefixes with an invalid ROA: 1528 Number of IPv4 prefixes with no ROA: 533334 Total ASes present in the Internet Routing Table: 73836 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63393 Origin ASes announcing only one prefix: 26111 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 427 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 987 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 41043 Number of 32-bit ASNs visible in the Routing Table: 33926 Prefixes from 32-bit ASNs in the Routing Table: 165487 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: 503 Number of addresses announced to Internet: 3062807552 Equivalent to 182 /8s, 142 /16s and 188 /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: 303655 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233360 Total APNIC prefixes after maximum aggregation: 67954 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228201 Unique aggregates announced from the APNIC address blocks: 97470 APNIC Region origin ASes present in the Internet Routing Table: 13124 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3817 APNIC Region transit ASes present in the Internet Routing Table: 1772 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: 8446 Number of APNIC addresses announced to Internet: 773294336 Equivalent to 46 /8s, 23 /16s and 137 /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: 266360 Total ARIN prefixes after maximum aggregation: 121276 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268019 Unique aggregates announced from the ARIN address blocks: 129625 ARIN Region origin ASes present in the Internet Routing Table: 19003 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6997 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: 4704 Number of ARIN addresses announced to Internet: 1285677312 Equivalent to 76 /8s, 161 /16s and 225 /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: 255731 Total RIPE prefixes after maximum aggregation: 120160 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252384 Unique aggregates announced from the RIPE address blocks: 156125 RIPE Region origin ASes present in the Internet Routing Table: 28195 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12032 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: 10959 Number of RIPE addresses announced to Internet: 719441664 Equivalent to 42 /8s, 225 /16s and 207 /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: 117423 Total LACNIC prefixes after maximum aggregation: 28248 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116650 Unique aggregates announced from the LACNIC address blocks: 48928 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2279 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: 176001024 Equivalent to 10 /8s, 125 /16s and 144 /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: 28736 Total AfriNIC prefixes after maximum aggregation: 5713 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36840 Unique aggregates announced from the AfriNIC address blocks: 12145 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.57 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: 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: 108101376 Equivalent to 6 /8s, 113 /16s and 127 /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 9263 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5940 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3628 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3109 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2697 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2163 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 7782 10640 2916 AMAZON-02, US 11492 4549 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3686 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3469 1797 2506 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2617 24133 1585 ATT-INTERNET4, US 396982 2573 3493 368 GOOGLE-CLOUD-PLATFORM, US 30036 2568 369 366 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 6951 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3913 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2646 252 1353 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1814 943 536 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 10915 3338 585 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2201 361 591 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 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 1550 533 30 RAYA-AS, EG 24863 1459 392 39 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 529 53 45 WANANCHI-, KE 37342 494 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 10915 3338 585 Uninet S.A. de C.V., MX 9808 9263 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7782 10640 2916 AMAZON-02, US 12479 6951 1706 146 UNI2-AS, ES 7545 5940 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4549 301 565 CABLEONE, US 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3913 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 9263 9216 CHINAMOBILE-CN China Mobile Communications Grou 12479 6951 6805 UNI2-AS, ES 7545 5940 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7782 4866 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4549 3984 CABLEONE, US 20940 4051 3876 AKAMAI-ASN1, NL 8551 3913 3875 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3894 3861 VIASAT-SP-BACKBONE, US 7552 3628 3607 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 /14:1198 /15:2078 /16:13482 /17:8221 /18:13776 /19:24822 /20:42729 /21:50799 /22:108808 /23:96618 /24:539014 /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 6951 UNI2-AS, ES 8151 4960 10915 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3456 4549 CABLEONE, US 8551 3378 3913 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2724 3686 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2225 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) ---------------------------------------------- 1:1624 2:1230 3:168 4:5 5:4078 6:110 7:5 8:1533 9:1 11:172 12:1596 13:378 14:2322 15:284 16:77 17:369 18:414 20:243 21:4 22:188 23:6048 24:2456 25:4 27:2709 29:19 31:2495 32:99 34:8 35:95 36:1861 37:4592 38:4000 39:828 40:144 41:3935 42:1041 43:2284 44:302 45:16447 46:4198 47:374 49:1728 50:1931 51:378 52:1546 54:396 55:865 56:8 57:79 58:1678 59:1104 60:1007 61:2419 62:2637 63:1934 64:5605 65:2321 66:4887 67:3038 68:1333 69:4090 70:1253 71:655 72:2979 74:2588 75:1464 76:594 77:2364 78:1834 79:3164 80:2069 81:1686 82:1481 83:1224 84:1491 85:2963 86:748 87:1925 88:1203 89:3530 90:587 91:7631 92:1985 93:2566 94:3520 95:3913 96:1315 97:344 98:1161 99:738 100:75 101:1293 102:2540 103:30675 104:4592 105:484 106:839 107:2532 108:904 109:4370 110:2044 111:3275 112:2024 113:1466 114:1603 115:2020 116:1865 117:2513 118:2289 119:1862 120:1718 121:1042 122:2574 123:2136 124:1554 125:2272 128:1235 129:1048 130:962 131:1999 132:826 133:405 134:1898 135:297 136:892 137:920 138:2590 139:1518 140:1028 141:1485 142:1412 143:1449 144:1188 145:350 146:1879 147:1537 148:2264 149:1861 150:861 151:1134 152:1971 153:478 154:3857 155:1405 156:1647 157:1298 158:1042 159:2253 160:2571 161:1431 162:3527 163:1474 164:1679 165:1667 166:821 167:1751 168:3842 169:916 170:4579 171:888 172:3490 173:3054 174:1026 175:1159 176:3704 177:4760 178:3548 179:2155 180:2414 181:3371 182:3241 183:1937 184:2347 185:19997 186:4665 187:3930 188:4070 189:3433 190:9030 191:1453 192:10925 193:8830 194:7199 195:5090 196:3050 197:2389 198:5926 199:6074 200:7657 201:5865 202:10211 203:10011 204:4585 205:3498 206:3782 207:3336 208:4085 209:4773 210:4154 211:2384 212:4059 213:3539 214:1108 215:54 216:6578 217:2631 218:1253 219:408 220:1779 221:964 222:662 223:1976 End of report