IPv4 R&E Routing Table Report 23:05 GMT Mon 08 Jul, 2024 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: 945682 Prefixes after maximum aggregation (per Origin AS): 361982 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465398 Number of IPv4 prefixes with a valid ROA: 484284 Number of IPv4 prefixes with an invalid ROA: 1125 Number of IPv4 prefixes with no ROA: 460273 Total ASes present in the Internet Routing Table: 75728 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65000 Origin ASes announcing only one prefix: 26646 Transit ASes present in the Internet Routing Table: 10728 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 996 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 44971 Number of 32-bit ASNs visible in the Routing Table: 36623 Prefixes from 32-bit ASNs in the Routing Table: 187628 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3024442112 Equivalent to 180 /8s, 69 /16s and 83 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310269 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249781 Total APNIC prefixes after maximum aggregation: 73578 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241708 Unique aggregates announced from the APNIC address blocks: 101120 APNIC Region origin ASes present in the Internet Routing Table: 14144 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4281 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9609 Number of APNIC addresses announced to Internet: 761339136 Equivalent to 45 /8s, 97 /16s and 29 /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: 276356 Total ARIN prefixes after maximum aggregation: 125032 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280857 Unique aggregates announced from the ARIN address blocks: 134720 ARIN Region origin ASes present in the Internet Routing Table: 19092 ARIN Prefixes per ASN: 14.71 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4918 Number of ARIN addresses announced to Internet: 1266621696 Equivalent to 75 /8s, 127 /16s and 29 /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, 393216-402332 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: 265227 Total RIPE prefixes after maximum aggregation: 127416 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260082 Unique aggregates announced from the RIPE address blocks: 165036 RIPE Region origin ASes present in the Internet Routing Table: 28615 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3939 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11868 Number of RIPE addresses announced to Internet: 713446144 Equivalent to 42 /8s, 134 /16s and 83 /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: 121540 Total LACNIC prefixes after maximum aggregation: 29067 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119618 Unique aggregates announced from the LACNIC address blocks: 50259 LACNIC Region origin ASes present in the Internet Routing Table: 11120 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2444 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9010 Number of LACNIC addresses announced to Internet: 177010432 Equivalent to 10 /8s, 140 /16s and 247 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31782 Total AfriNIC prefixes after maximum aggregation: 6226 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42874 Unique aggregates announced from the AfriNIC address blocks: 13813 AfriNIC Region origin ASes present in the Internet Routing Table: 1852 AfriNIC Prefixes per ASN: 23.15 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1218 Number of AfriNIC addresses announced to Internet: 105725952 Equivalent to 6 /8s, 77 /16s and 64 /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 9833 8745 72 CHINAMOBILE-CN China Mobile Communication 7545 5657 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4235 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3643 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3262 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2823 862 399 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 201 TATACOMM-AS TATA Communications formerly 45090 2192 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10095 11529 3636 AMAZON-02, US 11492 4642 308 548 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3701 8790 881 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3421 3019 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 2983 1282 2152 AKAMAI-AS, US 7018 2932 23674 1840 ATT-INTERNET4, US 396982 2768 3611 416 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 7715 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3806 3396 130 AKAMAI-ASN1, NL 9009 3558 304 1802 M247, RO 12389 2875 2292 861 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1713 123 1245 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1573 1852 14 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 11870 3313 508 UNINET, MX 10620 3519 492 935 Telmex Colombia S.A., CO 13999 2552 356 685 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 781 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1091 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1061 97 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1621 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1243 79 75 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 518 56 57 WANANCHI-, KE 36914 491 82 3 KENET-AS, KE 37054 433 115 8 Telecom-Malagasy, MG 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 11870 3313 508 UNINET, MX 16509 10095 11529 3636 AMAZON-02, US 9808 9833 8745 72 CHINAMOBILE-CN China Mobile Communication 12479 7715 1708 145 UNI2-AS, ES 7545 5657 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4642 308 548 CABLEONE, US 18403 4235 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9833 9761 CHINAMOBILE-CN China Mobile Communications Grou 12479 7715 7570 UNI2-AS, ES 16509 10095 6459 AMAZON-02, US 7545 5657 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4235 4212 FPT-AS-AP FPT Telecom Company, VN 11492 4642 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3961 3940 VIETEL-AS-AP Viettel Group, VN 20940 3806 3676 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 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 /11:92 /12:294 /13:571 /14:1167 /15:2055 /16:13186 /17:8153 /18:13606 /19:24334 /20:43070 /21:51220 /22:110662 /23:99266 /24:577931 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6799 7715 UNI2-AS, ES 8151 5940 11870 UNINET, MX 11492 3549 4642 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3391 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2558 3421 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2148 3519 Telmex Colombia S.A., CO 16509 2127 10095 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2315 2:1438 3:366 4:6 5:4285 6:162 7:6 8:1506 9:1 11:172 12:1438 13:355 14:2357 15:318 16:219 17:373 18:776 20:387 21:4 22:188 23:6873 24:2709 25:2 27:2623 29:19 31:2583 32:45 34:65 35:134 36:2344 37:4456 38:8000 39:900 40:147 41:4063 42:1988 43:2365 44:323 45:17340 46:4441 47:300 49:1963 50:1868 51:581 52:1576 54:315 55:919 56:8 57:214 58:2086 59:1191 60:1043 61:2634 62:2758 63:1880 64:5486 65:2309 66:4601 67:2996 68:1301 69:4051 70:1163 71:572 72:2871 74:2588 75:1551 76:621 77:2485 78:1849 79:1787 80:2196 81:1997 82:1642 83:1364 84:1678 85:3172 86:916 87:2002 88:1238 89:4170 90:685 91:8152 92:2332 93:2701 94:3718 95:4167 96:1277 97:317 98:1029 99:739 100:73 101:1163 102:3512 103:32264 104:4762 105:703 106:978 107:2474 108:1146 109:4024 110:2127 111:3249 112:2046 113:1812 114:1815 115:2073 116:1943 117:2660 118:2811 119:1979 120:1780 121:1300 122:2695 123:2254 124:1610 125:2839 126:32 128:1381 129:919 130:1167 131:1864 132:794 133:412 134:1729 135:319 136:1122 137:1054 138:2854 139:1522 140:1410 141:1377 142:1672 143:1556 144:1017 145:368 146:2082 147:1996 148:2538 149:2736 150:1037 151:1361 152:2219 153:521 154:7005 155:1489 156:2295 157:1869 158:1155 159:2442 160:2780 161:1691 162:3533 163:1696 164:1674 165:2140 166:1246 167:1811 168:4013 169:793 170:4950 171:1027 172:3876 173:3052 174:886 175:1238 176:3400 177:4670 178:3656 179:2198 180:2416 181:3786 182:3341 183:1975 184:2257 185:20794 186:4943 187:4381 188:4058 189:4174 190:9472 191:1480 192:11029 193:9145 194:7504 195:5307 196:3204 197:2626 198:5917 199:7963 200:8068 201:6270 202:10219 203:10248 204:4545 205:3640 206:4433 207:3486 208:4141 209:4993 210:4399 211:2529 212:4343 213:3573 214:1058 215:49 216:6747 217:3066 218:1294 219:415 220:1807 221:1037 222:687 223:2225 End of report