IPv4 R&E Routing Table Report 23:05 GMT Wed 26 Oct, 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: 895964 Prefixes after maximum aggregation (per Origin AS): 341349 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 440658 Number of IPv4 prefixes with a valid ROA: 356808 Number of IPv4 prefixes with an invalid ROA: 1405 Number of IPv4 prefixes with no ROA: 537751 Total ASes present in the Internet Routing Table: 73558 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63315 Origin ASes announcing only one prefix: 25980 Transit ASes present in the Internet Routing Table: 10243 Transit-only ASes present in the Internet Routing Table: 389 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 40487 Number of 32-bit ASNs visible in the Routing Table: 33520 Prefixes from 32-bit ASNs in the Routing Table: 161549 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3063184640 Equivalent to 182 /8s, 148 /16s and 125 /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: 301141 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232158 Total APNIC prefixes after maximum aggregation: 67305 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227243 Unique aggregates announced from the APNIC address blocks: 96802 APNIC Region origin ASes present in the Internet Routing Table: 12978 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3727 APNIC Region transit ASes present in the Internet Routing Table: 1744 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8278 Number of APNIC addresses announced to Internet: 773175552 Equivalent to 46 /8s, 21 /16s and 185 /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: 265620 Total ARIN prefixes after maximum aggregation: 120851 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266826 Unique aggregates announced from the ARIN address blocks: 128814 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1868 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4641 Number of ARIN addresses announced to Internet: 1289878784 Equivalent to 76 /8s, 225 /16s and 253 /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: 252966 Total RIPE prefixes after maximum aggregation: 119018 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249805 Unique aggregates announced from the RIPE address blocks: 154302 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12000 RIPE Region transit ASes present in the Internet Routing Table: 3911 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10847 Number of RIPE addresses announced to Internet: 716290048 Equivalent to 42 /8s, 177 /16s and 184 /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: 116181 Total LACNIC prefixes after maximum aggregation: 27833 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115700 Unique aggregates announced from the LACNIC address blocks: 48381 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2710 LACNIC Region transit ASes present in the Internet Routing Table: 2231 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8735 Number of LACNIC addresses announced to Internet: 175859200 Equivalent to 10 /8s, 123 /16s and 102 /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: 27982 Total AfriNIC prefixes after maximum aggregation: 5567 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 35865 Unique aggregates announced from the AfriNIC address blocks: 11935 AfriNIC Region origin ASes present in the Internet Routing Table: 1691 AfriNIC Prefixes per ASN: 21.21 AfriNIC Region origin ASes announcing only one prefix: 588 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1019 Number of AfriNIC addresses announced to Internet: 107680768 Equivalent to 6 /8s, 107 /16s and 20 /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 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3602 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3514 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2493 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11250 594 KIXS-AS-KR Korea Telecom, KR 24560 2242 851 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2151 426 222 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 7431 10586 2882 AMAZON-02, US 11492 4626 306 505 CABLEONE, US 7155 3897 265 32 VIASAT-SP-BACKBONE, US 22773 3739 3040 328 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3559 1860 2546 AKAMAI-AS, US 6327 3508 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2628 24151 1591 ATT-INTERNET4, US 30036 2599 368 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2557 3480 349 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 6913 1730 144 UNI2-AS, ES 20940 4095 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2618 252 1344 M247, RO 6849 2438 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1729 916 593 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 10844 3315 604 Uninet S.A. de C.V., MX 10620 3467 510 838 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2079 338 542 Mega Cable, S.A. de C.V., MX 28573 1335 2329 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 987 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 24863 1450 393 21 LINKdotNET-AS, EG 24835 1374 521 31 RAYA-AS, EG 36992 1347 1463 276 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 460 32 1 MOVITEL, MZ 23889 396 231 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 10844 3315 604 Uninet S.A. de C.V., MX 9808 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7431 10586 2882 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5931 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4626 306 505 CABLEONE, US 20940 4095 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3897 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 9062 9015 CHINAMOBILE-CN China Mobile Communications Grou 12479 6913 6769 UNI2-AS, ES 7545 5931 5237 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7431 4549 AMAZON-02, US 11492 4626 4121 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4095 3920 AKAMAI-ASN1, NL 7155 3897 3865 VIASAT-SP-BACKBONE, US 7552 3602 3582 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, 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 /9:13 /10:38 /11:99 /12:293 /13:583 /14:1195 /15:2036 /16:13438 /17:8242 /18:13817 /19:24808 /20:42942 /21:50654 /22:108041 /23:95861 /24:533881 /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 5920 6913 UNI2-AS, ES 8151 4804 10844 Uninet S.A. de C.V., MX 11492 3533 4626 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3316 3508 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3897 VIASAT-SP-BACKBONE, US 22773 2771 3739 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2301 2438 UKRTELNET, UA 30036 2258 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1888 2:1017 3:166 4:5 5:4001 6:116 7:5 8:1557 9:1 11:173 12:1621 13:354 14:2367 15:275 16:69 17:359 18:341 20:241 21:4 22:188 23:5959 24:2459 25:6 27:2716 29:19 31:2450 32:91 34:7 35:91 36:1870 37:4493 38:3701 39:754 40:159 41:3882 42:1168 43:2279 44:299 45:16209 46:4161 47:367 49:1704 50:1928 51:244 52:1500 54:397 55:845 56:8 57:76 58:1721 59:1112 60:996 61:2382 62:2520 63:1966 64:5618 65:2326 66:4827 67:2976 68:1374 69:4140 70:1298 71:676 72:2989 74:2644 75:1473 76:597 77:2243 78:1824 79:3149 80:2049 81:1665 82:1506 83:1215 84:1412 85:2956 86:728 87:1919 88:1168 89:3424 90:549 91:7585 92:2055 93:2543 94:3529 95:3858 96:1351 97:346 98:1169 99:739 100:69 101:1297 102:2343 103:30298 104:4515 105:476 106:883 107:2543 108:892 109:4324 110:2007 111:3278 112:2064 113:1484 114:1514 115:1993 116:1895 117:2479 118:2325 119:1835 120:1706 121:1021 122:2550 123:2103 124:1510 125:2118 128:1202 129:972 130:964 131:2011 132:792 133:379 134:1904 135:289 136:872 137:898 138:2504 139:1514 140:1128 141:1467 142:1388 143:1409 144:1196 145:350 146:1855 147:1530 148:2227 149:1826 150:872 151:1133 152:1819 153:468 154:3777 155:1425 156:1636 157:1303 158:1047 159:2190 160:2572 161:1379 162:3501 163:1430 164:1667 165:1635 166:809 167:1729 168:3768 169:894 170:4531 171:848 172:3458 173:3102 174:1040 175:1156 176:3581 177:4787 178:3532 179:2101 180:2367 181:3297 182:3196 183:1946 184:2353 185:19797 186:4510 187:3959 188:4007 189:3467 190:8977 191:1442 192:10956 193:8728 194:7147 195:5064 196:2974 197:2280 198:5931 199:6044 200:7513 201:5825 202:10117 203:10015 204:4593 205:3479 206:3816 207:3384 208:4080 209:4768 210:4127 211:2328 212:3995 213:3553 214:1086 215:53 216:6480 217:2618 218:1270 219:404 220:1780 221:922 222:655 223:1982 End of report