IPv4 R&E Routing Table Report 23:05 GMT Mon 16 Oct, 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: 925725 Prefixes after maximum aggregation (per Origin AS): 352752 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453659 Number of IPv4 prefixes with a valid ROA: 426066 Number of IPv4 prefixes with an invalid ROA: 1693 Number of IPv4 prefixes with no ROA: 497966 Total ASes present in the Internet Routing Table: 74742 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64153 Origin ASes announcing only one prefix: 26473 Transit ASes present in the Internet Routing Table: 10589 Transit-only ASes present in the Internet Routing Table: 462 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: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1015 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 42851 Number of 32-bit ASNs visible in the Routing Table: 35162 Prefixes from 32-bit ASNs in the Routing Table: 175419 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3051947520 Equivalent to 181 /8s, 233 /16s and 6 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 309564 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241678 Total APNIC prefixes after maximum aggregation: 70239 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235250 Unique aggregates announced from the APNIC address blocks: 99061 APNIC Region origin ASes present in the Internet Routing Table: 13594 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4080 APNIC Region transit ASes present in the Internet Routing Table: 1825 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8987 Number of APNIC addresses announced to Internet: 772228096 Equivalent to 46 /8s, 7 /16s and 68 /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, 131072-153913 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: 272262 Total ARIN prefixes after maximum aggregation: 123540 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276038 Unique aggregates announced from the ARIN address blocks: 132038 ARIN Region origin ASes present in the Internet Routing Table: 19052 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1276976896 Equivalent to 76 /8s, 29 /16s and 31 /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: 262015 Total RIPE prefixes after maximum aggregation: 123950 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257049 Unique aggregates announced from the RIPE address blocks: 160266 RIPE Region origin ASes present in the Internet Routing Table: 28409 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11355 Number of RIPE addresses announced to Internet: 716251904 Equivalent to 42 /8s, 177 /16s and 35 /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 196608-216475 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: 118510 Total LACNIC prefixes after maximum aggregation: 28360 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117479 Unique aggregates announced from the LACNIC address blocks: 49213 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2710 LACNIC Region transit ASes present in the Internet Routing Table: 2355 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8865 Number of LACNIC addresses announced to Internet: 178465536 Equivalent to 10 /8s, 163 /16s and 43 /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: 30245 Total AfriNIC prefixes after maximum aggregation: 5964 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39396 Unique aggregates announced from the AfriNIC address blocks: 12654 AfriNIC Region origin ASes present in the Internet Routing Table: 1800 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144 Number of AfriNIC addresses announced to Internet: 107602688 Equivalent to 6 /8s, 105 /16s and 227 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5709 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3601 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3208 495 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2546 847 390 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 TATACOMM-AS TATA Communications formerl 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 9164 11005 3284 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1319 66 SHAW, CA 22773 3521 3055 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3061 3856 1433 DNIC-ASBLK-00306-00371, US 16625 3013 1395 2298 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23615 1574 ATT-INTERNET4, 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 7383 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 152 AKAMAI-ASN1, NL 8551 3452 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3097 277 1516 M247, RO 12389 2906 2297 917 ROSTELECOM-AS, RU 34984 2327 360 592 TELLCOM-AS, TR 58224 1701 920 528 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1497 1852 15 TE-AS TE-AS, EG 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 11874 3381 605 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2414 332 626 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1285 343 509 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1052 168 426 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 24863 1606 393 19 LINKdotNET-AS, EG 24835 1514 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 937 521 44 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 535 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 461 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 11874 3381 605 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9164 11005 3284 AMAZON-02, US 12479 7383 1713 145 UNI2-AS, ES 7545 5709 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4082 3398 152 AKAMAI-ASN1, NL 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7383 7238 UNI2-AS, ES 16509 9164 5880 AMAZON-02, US 7545 5709 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4082 3930 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3601 3581 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:101 /12:299 /13:578 /14:1193 /15:2091 /16:13443 /17:8233 /18:13716 /19:24812 /20:43278 /21:51196 /22:109704 /23:98612 /24:558393 /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 6469 7383 UNI2-AS, ES 8151 5893 11874 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3546 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2929 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2207 2:1431 3:265 4:5 5:4381 6:137 7:6 8:1496 9:1 11:172 12:1499 13:372 14:2309 15:303 16:194 17:367 18:661 20:308 21:4 22:188 23:6445 24:2517 25:2 27:2576 29:19 31:2536 32:75 34:26 35:114 36:1996 37:4513 38:5419 39:865 40:143 41:4019 42:2027 43:2271 44:323 45:16637 46:4277 47:371 49:1832 50:1876 51:582 52:1589 54:393 55:948 56:5 57:128 58:1788 59:1115 60:1005 61:2544 62:2674 63:1912 64:5646 65:2351 66:4966 67:3051 68:1343 69:4123 70:1185 71:639 72:2938 74:2618 75:1564 76:630 77:2300 78:1827 79:3008 80:2107 81:1823 82:1510 83:1305 84:1562 85:3054 86:762 87:2013 88:1212 89:3925 90:625 91:7849 92:2064 93:2631 94:3554 95:4073 96:1300 97:316 98:1082 99:736 100:91 101:1295 102:2921 103:32151 104:4736 105:578 106:907 107:2720 108:1135 109:4244 110:2136 111:3133 112:2051 113:1750 114:1693 115:1995 116:1893 117:2531 118:2700 119:1962 120:1782 121:1138 122:2594 123:2172 124:1578 125:2567 128:1402 129:910 130:1038 131:1959 132:856 133:408 134:1779 135:304 136:909 137:984 138:2660 139:1581 140:1298 141:1330 142:1514 143:1523 144:1000 145:351 146:1960 147:1610 148:2447 149:2328 150:878 151:1238 152:1959 153:523 154:5144 155:1392 156:1999 157:1343 158:1055 159:2195 160:2636 161:1602 162:3509 163:1610 164:1706 165:1859 166:1065 167:1737 168:3817 169:792 170:4597 171:952 172:3790 173:2977 174:983 175:1182 176:3778 177:4511 178:3551 179:2137 180:2471 181:3519 182:3377 183:1991 184:2273 185:20632 186:4706 187:4172 188:4156 189:3896 190:9287 191:1379 192:10935 193:8949 194:7302 195:5207 196:3199 197:2602 198:5925 199:6261 200:7949 201:6173 202:10193 203:9982 204:4536 205:3681 206:4323 207:3409 208:4100 209:4885 210:4214 211:2448 212:4274 213:3378 214:1110 215:71 216:6698 217:2770 218:1270 219:407 220:1803 221:983 222:665 223:2151 End of report