IPv4 R&E Routing Table Report 23:05 GMT Tue 26 Nov, 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: 961049 Prefixes after maximum aggregation (per Origin AS): 367920 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471023 Number of IPv4 prefixes with a valid ROA: 512019 Number of IPv4 prefixes with an invalid ROA: 1217 Number of IPv4 prefixes with no ROA: 447813 Total ASes present in the Internet Routing Table: 76293 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 65540 Origin ASes announcing only one prefix: 26824 Transit ASes present in the Internet Routing Table: 10753 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 45896 Number of 32-bit ASNs visible in the Routing Table: 37434 Prefixes from 32-bit ASNs in the Routing Table: 194649 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 481 Number of addresses announced to Internet: 3026044928 Equivalent to 180 /8s, 93 /16s and 200 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315107 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252925 Total APNIC prefixes after maximum aggregation: 75203 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245272 Unique aggregates announced from the APNIC address blocks: 101692 APNIC Region origin ASes present in the Internet Routing Table: 14378 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4397 APNIC Region transit ASes present in the Internet Routing Table: 1900 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9886 Number of APNIC addresses announced to Internet: 756093696 Equivalent to 45 /8s, 17 /16s and 19 /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: 282203 Total ARIN prefixes after maximum aggregation: 126299 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284462 Unique aggregates announced from the ARIN address blocks: 136116 ARIN Region origin ASes present in the Internet Routing Table: 19148 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1910 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: 5063 Number of ARIN addresses announced to Internet: 1266037248 Equivalent to 75 /8s, 118 /16s and 50 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268401 Total RIPE prefixes after maximum aggregation: 130149 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265446 Unique aggregates announced from the RIPE address blocks: 169511 RIPE Region origin ASes present in the Internet Routing Table: 28813 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12131 Number of RIPE addresses announced to Internet: 722038272 Equivalent to 43 /8s, 9 /16s and 110 /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, 53/8, 57/8, 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: 122559 Total LACNIC prefixes after maximum aggregation: 29095 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120165 Unique aggregates announced from the LACNIC address blocks: 48638 LACNIC Region origin ASes present in the Internet Routing Table: 11160 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2625 LACNIC Region transit ASes present in the Internet Routing Table: 2486 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9082 Number of LACNIC addresses announced to Internet: 177476352 Equivalent to 10 /8s, 148 /16s and 19 /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: 33916 Total AfriNIC prefixes after maximum aggregation: 6529 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 45223 Unique aggregates announced from the AfriNIC address blocks: 14660 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 23.66 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 361 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 Number of AfriNIC addresses announced to Internet: 104143104 Equivalent to 6 /8s, 53 /16s and 25 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10066 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6139 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4474 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3921 515 288 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2796 835 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2198 427 183 TATACOMM-AS TATA Communications formerly 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 11040 11961 3956 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4604 8766 880 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3404 3036 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3214 23568 2052 ATT-INTERNET4, US 396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US 16625 2805 1223 2096 AKAMAI-AS, 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 7647 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3887 3395 126 AKAMAI-ASN1, NL 9009 3681 318 1873 M247, RO 12389 2943 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1829 133 1350 CDNEXT, GB 13188 1606 100 33 TRIOLAN, UA 8452 1601 1852 14 TE-AS TE-AS, EG 62240 1470 97 730 CLOUVIDER Clouvider - Global ASN, GB 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 11475 3221 611 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2536 535 371 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1152 374 163 Axtel, S.A.B. de C.V., MX 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 2503 53 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 1659 593 29 RAYA-AS, EG 24863 1649 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1415 89 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 36914 553 82 3 KENET-AS, KE 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 11475 3221 611 UNINET, MX 16509 11040 11961 3956 AMAZON-02, US 9808 10066 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7647 1709 143 UNI2-AS, ES 7545 6139 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4604 8766 880 COGENT-174, US 18403 4474 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 85 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 10066 9981 CHINAMOBILE-CN China Mobile Communications Grou 12479 7647 7504 UNI2-AS, ES 16509 11040 7084 AMAZON-02, US 7545 6139 5477 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4474 4451 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3887 3761 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 3356 LEVEL3, 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 CONSOLE-CONNECT-ASN, US 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2055 /16:13119 /17:8141 /18:13576 /19:24261 /20:43931 /21:51726 /22:111593 /23:99588 /24:590863 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6656 7647 UNI2-AS, ES 8151 5675 11475 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3404 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2260 11040 AMAZON-02, US 30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2277 2:1540 3:526 4:8 5:4496 6:166 7:6 8:1490 9:1 11:172 12:1410 13:355 14:2462 15:336 16:269 17:359 18:903 20:446 21:4 22:188 23:7035 24:2649 25:2 27:2663 29:19 31:3024 32:37 34:73 35:172 36:2384 37:4493 38:8980 39:891 40:149 41:4153 42:2122 43:2457 44:341 45:17732 46:4848 47:296 49:2004 50:1852 51:584 52:1572 54:316 55:949 56:8 57:230 58:2231 59:1180 60:1150 61:2782 62:2829 63:1836 64:5410 65:2265 66:4615 67:3017 68:1307 69:3995 70:1115 71:589 72:2848 74:2773 75:1628 76:635 77:2549 78:1867 79:1525 80:2201 81:2044 82:1759 83:1410 84:1762 85:3139 86:965 87:2161 88:1253 89:4369 90:724 91:8254 92:2630 93:2839 94:3841 95:4208 96:1244 97:313 98:1067 99:734 100:71 101:1410 102:3436 103:32256 104:4430 105:733 106:982 107:2403 108:1177 109:3938 110:2237 111:3306 112:2037 113:1774 114:1933 115:2164 116:1987 117:2723 118:2865 119:1969 120:1847 121:1345 122:2700 123:2147 124:1615 125:2837 126:62 128:1477 129:935 130:1253 131:1874 132:803 133:448 134:1525 135:321 136:1303 137:1099 138:2874 139:1534 140:1489 141:1451 142:1830 143:1597 144:1025 145:404 146:2097 147:2047 148:2564 149:2825 150:1156 151:1463 152:2105 153:498 154:7330 155:1550 156:2741 157:1859 158:1224 159:2427 160:3338 161:1701 162:3578 163:1761 164:1935 165:2148 166:1338 167:1857 168:4087 169:798 170:5021 171:996 172:3934 173:3139 174:920 175:1273 176:3543 177:4829 178:3714 179:2275 180:2550 181:3927 182:3354 183:2065 184:2264 185:21239 186:5023 187:4239 188:4209 189:4112 190:9528 191:1513 192:11142 193:9259 194:7623 195:5370 196:3198 197:3513 198:5910 199:8219 200:7985 201:6309 202:10235 203:10431 204:4619 205:3655 206:4581 207:3491 208:4215 209:5079 210:4511 211:2522 212:4501 213:3685 214:1060 215:48 216:6568 217:3082 218:1295 219:392 220:2089 221:1051 222:708 223:2285 End of report