IPv4 R&E Routing Table Report 23:05 GMT Wed 30 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: 900828 Prefixes after maximum aggregation (per Origin AS): 342605 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442661 Number of IPv4 prefixes with a valid ROA: 364561 Number of IPv4 prefixes with an invalid ROA: 1669 Number of IPv4 prefixes with no ROA: 534598 Total ASes present in the Internet Routing Table: 73675 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63342 Origin ASes announcing only one prefix: 26025 Transit ASes present in the Internet Routing Table: 10333 Transit-only ASes present in the Internet Routing Table: 411 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: 981 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 40750 Number of 32-bit ASNs visible in the Routing Table: 33682 Prefixes from 32-bit ASNs in the Routing Table: 164090 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3061888256 Equivalent to 182 /8s, 128 /16s and 181 /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: 302904 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233359 Total APNIC prefixes after maximum aggregation: 67559 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228202 Unique aggregates announced from the APNIC address blocks: 97245 APNIC Region origin ASes present in the Internet Routing Table: 13037 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3781 APNIC Region transit ASes present in the Internet Routing Table: 1747 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: 8346 Number of APNIC addresses announced to Internet: 773015552 Equivalent to 46 /8s, 19 /16s and 72 /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: 266010 Total ARIN prefixes after maximum aggregation: 121147 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267584 Unique aggregates announced from the ARIN address blocks: 129341 ARIN Region origin ASes present in the Internet Routing Table: 19019 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4672 Number of ARIN addresses announced to Internet: 1288504320 Equivalent to 76 /8s, 205 /16s and 4 /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: 254535 Total RIPE prefixes after maximum aggregation: 119394 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251205 Unique aggregates announced from the RIPE address blocks: 154845 RIPE Region origin ASes present in the Internet Routing Table: 28143 RIPE Prefixes per ASN: 8.93 RIPE Region origin ASes announcing only one prefix: 11990 RIPE Region transit ASes present in the Internet Routing Table: 3967 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10883 Number of RIPE addresses announced to Internet: 716169984 Equivalent to 42 /8s, 175 /16s and 227 /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: 117021 Total LACNIC prefixes after maximum aggregation: 28111 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116368 Unique aggregates announced from the LACNIC address blocks: 48822 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8750 Number of LACNIC addresses announced to Internet: 175846144 Equivalent to 10 /8s, 123 /16s and 51 /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: 28922 Total AfriNIC prefixes after maximum aggregation: 5650 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36958 Unique aggregates announced from the AfriNIC address blocks: 11981 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1031 Number of AfriNIC addresses announced to Internet: 108061696 Equivalent to 6 /8s, 112 /16s and 228 /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 9122 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5951 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2559 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2305 848 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2161 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 7666 10623 2901 AMAZON-02, US 11492 4546 301 570 CABLEONE, US 7155 3896 265 32 VIASAT-SP-BACKBONE, US 22773 3706 3060 318 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 63 SHAW, CA 16625 3519 1836 2533 AKAMAI-AS, US 749 3064 50661 2331 DNIC-AS-00749, US 30036 2583 369 337 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2579 24059 1549 ATT-INTERNET4, US 396982 2565 3482 360 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 6964 1730 151 UNI2-AS, ES 20940 4074 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3977 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2290 912 ROSTELECOM-AS, RU 9009 2649 252 1361 M247, RO 34984 2249 357 609 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1801 937 531 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 10794 3336 597 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2129 349 552 Mega Cable, S.A. de C.V., MX 28573 1330 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1288 728 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 369 22 Telefonica del Peru S.A.A., PE 11664 1138 184 475 Techtel LMDS Comunicaciones Interactiva 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 1547 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 40 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 530 54 45 WANANCHI-, KE 37342 441 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 10794 3336 597 Uninet S.A. de C.V., MX 9808 9122 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7666 10623 2901 AMAZON-02, US 12479 6964 1730 151 UNI2-AS, ES 7545 5951 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 570 CABLEONE, US 20940 4074 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3977 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3896 265 32 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 9122 9075 CHINAMOBILE-CN China Mobile Communications Grou 12479 6964 6813 UNI2-AS, ES 7545 5951 5258 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7666 4765 AMAZON-02, US 11492 4546 3976 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3977 3939 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4074 3899 AKAMAI-ASN1, NL 7155 3896 3864 VIASAT-SP-BACKBONE, US 7552 3625 3604 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 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 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /15:2078 /16:13476 /17:8253 /18:13779 /19:24819 /20:43018 /21:50976 /22:108737 /23:96318 /24:537126 /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 5997 6964 UNI2-AS, ES 8151 4778 10794 Uninet S.A. de C.V., MX 11492 3453 4546 CABLEONE, US 8551 3441 3977 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2985 3896 VIASAT-SP-BACKBONE, US 22773 2734 3706 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2241 2583 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2193 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1852 2:1023 3:166 4:5 5:4072 6:118 7:5 8:1543 9:1 11:173 12:1615 13:380 14:2363 15:285 16:73 17:367 18:384 20:239 21:4 22:188 23:5991 24:2441 25:6 27:2706 29:19 31:2482 32:103 34:8 35:94 36:1832 37:4550 38:3851 39:771 40:144 41:3972 42:1182 43:2275 44:302 45:16336 46:4152 47:371 49:1703 50:1927 51:244 52:1506 54:397 55:836 56:8 57:78 58:1725 59:1091 60:1005 61:2421 62:2572 63:1951 64:5639 65:2334 66:4828 67:2984 68:1378 69:4128 70:1291 71:677 72:2980 74:2636 75:1471 76:596 77:2254 78:1822 79:3158 80:2054 81:1678 82:1495 83:1224 84:1483 85:2964 86:754 87:1931 88:1168 89:3483 90:577 91:7600 92:1992 93:2560 94:3540 95:3881 96:1316 97:348 98:1171 99:740 100:69 101:1281 102:2483 103:30421 104:4542 105:482 106:827 107:2524 108:909 109:4307 110:2016 111:3254 112:2038 113:1507 114:1594 115:2013 116:1880 117:2466 118:2335 119:1879 120:1693 121:1045 122:2577 123:2128 124:1533 125:2139 128:1206 129:967 130:962 131:2010 132:827 133:400 134:1910 135:294 136:877 137:916 138:2556 139:1522 140:1033 141:1480 142:1408 143:1411 144:1201 145:356 146:1880 147:1508 148:2243 149:1834 150:864 151:1144 152:1955 153:455 154:3791 155:1399 156:1636 157:1291 158:1038 159:2240 160:2569 161:1418 162:3512 163:1448 164:1662 165:1659 166:837 167:1745 168:3831 169:913 170:4575 171:866 172:3527 173:3101 174:1034 175:1162 176:3606 177:4783 178:3547 179:2144 180:2392 181:3343 182:3218 183:1935 184:2347 185:19949 186:4609 187:3942 188:4050 189:3427 190:9054 191:1464 192:10980 193:8774 194:7202 195:5079 196:3069 197:2433 198:5949 199:6071 200:7632 201:5823 202:10194 203:10046 204:4597 205:3473 206:3761 207:3342 208:4100 209:4779 210:4156 211:2391 212:4033 213:3524 214:1103 215:57 216:6575 217:2624 218:1265 219:410 220:1797 221:952 222:666 223:2001 End of report