IPv4 R&E Routing Table Report 23:05 GMT Tue 22 Nov, 2022 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: 900062 Prefixes after maximum aggregation (per Origin AS): 342804 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442452 Number of IPv4 prefixes with a valid ROA: 363150 Number of IPv4 prefixes with an invalid ROA: 1611 Number of IPv4 prefixes with no ROA: 535301 Total ASes present in the Internet Routing Table: 73697 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63320 Origin ASes announcing only one prefix: 26050 Transit ASes present in the Internet Routing Table: 10377 Transit-only ASes present in the Internet Routing Table: 420 Paths with bogon ASNs present in the IPv4 Routing Table: 38 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: 985 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 40679 Number of 32-bit ASNs visible in the Routing Table: 33678 Prefixes from 32-bit ASNs in the Routing Table: 163527 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 3062517504 Equivalent to 182 /8s, 138 /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: 302443 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233084 Total APNIC prefixes after maximum aggregation: 67528 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227974 Unique aggregates announced from the APNIC address blocks: 97179 APNIC Region origin ASes present in the Internet Routing Table: 13027 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3783 APNIC Region transit ASes present in the Internet Routing Table: 1756 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: 8337 Number of APNIC addresses announced to Internet: 773096448 Equivalent to 46 /8s, 20 /16s and 132 /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: 266209 Total ARIN prefixes after maximum aggregation: 121209 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267841 Unique aggregates announced from the ARIN address blocks: 129375 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6990 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4671 Number of ARIN addresses announced to Internet: 1288950272 Equivalent to 76 /8s, 211 /16s and 210 /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: 254138 Total RIPE prefixes after maximum aggregation: 119552 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250726 Unique aggregates announced from the RIPE address blocks: 154559 RIPE Region origin ASes present in the Internet Routing Table: 28153 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10887 Number of RIPE addresses announced to Internet: 716113152 Equivalent to 42 /8s, 175 /16s and 5 /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: 116889 Total LACNIC prefixes after maximum aggregation: 28129 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116254 Unique aggregates announced from the LACNIC address blocks: 48912 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 8749 Number of LACNIC addresses announced to Internet: 175958784 Equivalent to 10 /8s, 124 /16s and 235 /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: 28757 Total AfriNIC prefixes after maximum aggregation: 5640 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36764 Unique aggregates announced from the AfriNIC address blocks: 12010 AfriNIC Region origin ASes present in the Internet Routing Table: 1707 AfriNIC Prefixes per ASN: 21.54 AfriNIC Region origin ASes announcing only one prefix: 596 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: 1034 Number of AfriNIC addresses announced to Internet: 108113920 Equivalent to 6 /8s, 113 /16s and 176 /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 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5949 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3623 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1874 90 VNPT-AS-VN VNPT Corp, VN 9498 2547 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2299 848 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2293 11251 596 KIXS-AS-KR Korea Telecom, KR 4755 2160 440 214 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 7658 10622 2905 AMAZON-02, US 11492 4576 303 571 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3725 3061 326 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3562 1859 2560 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2578 24058 1549 ATT-INTERNET4, US 396982 2564 3482 359 GOOGLE-CLOUD-PLATFORM, 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 6953 1730 144 UNI2-AS, ES 20940 4102 3400 175 AKAMAI-ASN1, NL 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3942 230 46 ALJAWWALSTC-AS, SA 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2651 253 1361 M247, RO 34984 2245 357 610 TELLCOM-AS, TR 6849 2209 339 20 UKRTELNET, UA 58224 1772 929 542 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 10861 3347 598 Uninet S.A. de C.V., MX 10620 3454 506 855 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2124 347 551 Mega Cable, S.A. de C.V., MX 28573 1332 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1115 182 480 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 988 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 1546 537 31 RAYA-AS, EG 24863 1417 393 21 LINKdotNET-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 42 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 530 53 44 WANANCHI-, KE 37342 438 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10861 3347 598 Uninet S.A. de C.V., MX 9808 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7658 10622 2905 AMAZON-02, US 12479 6953 1730 144 UNI2-AS, ES 7545 5949 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4576 303 571 CABLEONE, US 20940 4102 3400 175 AKAMAI-ASN1, NL 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3966 265 32 VIASAT-SP-BACKBONE, US 39891 3942 230 46 ALJAWWALSTC-AS, SA 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 9124 9077 CHINAMOBILE-CN China Mobile Communications Grou 12479 6953 6809 UNI2-AS, ES 7545 5949 5254 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7658 4753 AMAZON-02, US 11492 4576 4005 CABLEONE, US 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4102 3927 AKAMAI-ASN1, NL 39891 3942 3896 ALJAWWALSTC-AS, SA 7552 3623 3603 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /11:100 /12:295 /13:584 /14:1195 /15:2076 /16:13480 /17:8280 /18:13798 /19:24812 /20:43013 /21:50947 /22:108772 /23:96311 /24:536325 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5980 6953 UNI2-AS, ES 8151 4810 10861 Uninet S.A. de C.V., MX 11492 3485 4576 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3189 3942 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2752 3725 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2061 2209 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1859 2:1022 3:166 4:5 5:4040 6:118 7:5 8:1543 9:1 11:173 12:1617 13:383 14:2372 15:286 16:73 17:366 18:384 20:239 21:4 22:188 23:6005 24:2453 25:6 27:2703 29:19 31:2482 32:94 34:8 35:94 36:1825 37:4535 38:3835 39:771 40:144 41:3950 42:1181 43:2273 44:302 45:16262 46:4123 47:370 49:1695 50:1933 51:180 52:1505 54:397 55:845 56:8 57:79 58:1729 59:1092 60:1005 61:2427 62:2563 63:1952 64:5642 65:2333 66:4823 67:3002 68:1379 69:4160 70:1292 71:679 72:2992 74:2635 75:1472 76:597 77:2214 78:1826 79:3149 80:2044 81:1678 82:1464 83:1215 84:1490 85:2956 86:735 87:1927 88:1165 89:3467 90:570 91:7613 92:1954 93:2564 94:3539 95:3853 96:1338 97:347 98:1173 99:740 100:69 101:1287 102:2461 103:30410 104:4545 105:479 106:826 107:2530 108:913 109:4335 110:2007 111:3270 112:2048 113:1507 114:1598 115:2039 116:1878 117:2478 118:2333 119:1839 120:1684 121:1047 122:2580 123:2114 124:1534 125:2131 128:1201 129:965 130:961 131:2027 132:829 133:401 134:1911 135:295 136:879 137:920 138:2534 139:1516 140:1083 141:1480 142:1409 143:1408 144:1205 145:350 146:1880 147:1507 148:2245 149:1835 150:866 151:1144 152:1951 153:455 154:3781 155:1384 156:1628 157:1286 158:1036 159:2235 160:2586 161:1421 162:3501 163:1442 164:1657 165:1653 166:833 167:1732 168:3833 169:914 170:4553 171:864 172:3515 173:3104 174:1024 175:1181 176:3618 177:4769 178:3533 179:2140 180:2384 181:3329 182:3198 183:1920 184:2346 185:19931 186:4586 187:3942 188:4050 189:3428 190:9034 191:1435 192:10979 193:8760 194:7180 195:5091 196:3073 197:2384 198:5942 199:6074 200:7574 201:5831 202:10168 203:10049 204:4595 205:3480 206:3765 207:3347 208:4094 209:4773 210:4152 211:2341 212:4021 213:3523 214:1106 215:57 216:6545 217:2616 218:1265 219:408 220:1796 221:949 222:664 223:2002 End of report