IPv4 R&E Routing Table Report 23:05 GMT Thu 06 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: 894742 Prefixes after maximum aggregation (per Origin AS): 340581 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439923 Number of IPv4 prefixes with a valid ROA: 353442 Number of IPv4 prefixes with an invalid ROA: 1600 Number of IPv4 prefixes with no ROA: 539700 Total ASes present in the Internet Routing Table: 73534 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 63170 Origin ASes announcing only one prefix: 25978 Transit ASes present in the Internet Routing Table: 10364 Transit-only ASes present in the Internet Routing Table: 401 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1035 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 40346 Number of 32-bit ASNs visible in the Routing Table: 33409 Prefixes from 32-bit ASNs in the Routing Table: 160360 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3064460288 Equivalent to 182 /8s, 167 /16s and 244 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 300441 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231557 Total APNIC prefixes after maximum aggregation: 67039 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226564 Unique aggregates announced from the APNIC address blocks: 96420 APNIC Region origin ASes present in the Internet Routing Table: 12918 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 8215 Number of APNIC addresses announced to Internet: 773264128 Equivalent to 46 /8s, 23 /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, 131072-151865 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: 264484 Total ARIN prefixes after maximum aggregation: 120885 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265485 Unique aggregates announced from the ARIN address blocks: 128389 ARIN Region origin ASes present in the Internet Routing Table: 19011 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4613 Number of ARIN addresses announced to Internet: 1290661632 Equivalent to 76 /8s, 237 /16s and 239 /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: 252818 Total RIPE prefixes after maximum aggregation: 118487 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249786 Unique aggregates announced from the RIPE address blocks: 153660 RIPE Region origin ASes present in the Internet Routing Table: 28156 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12008 RIPE Region transit ASes present in the Internet Routing Table: 4002 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: 10826 Number of RIPE addresses announced to Internet: 716515584 Equivalent to 42 /8s, 181 /16s and 41 /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: 116211 Total LACNIC prefixes after maximum aggregation: 27812 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115818 Unique aggregates announced from the LACNIC address blocks: 49032 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2241 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: 8734 Number of LACNIC addresses announced to Internet: 175919616 Equivalent to 10 /8s, 124 /16s and 82 /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: 28637 Total AfriNIC prefixes after maximum aggregation: 5586 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36596 Unique aggregates announced from the AfriNIC address blocks: 12008 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1021 Number of AfriNIC addresses announced to Internet: 107819520 Equivalent to 6 /8s, 109 /16s and 50 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5925 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2457 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2233 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2224 11251 595 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2134 425 218 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 7282 10551 2853 AMAZON-02, US 11492 4553 302 622 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3775 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3030 50696 2297 DNIC-AS-00749, US 30036 2598 367 276 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2551 3479 345 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 393 CENTURYLINK-US-LEGACY-QWEST, 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 6876 1730 144 UNI2-AS, ES 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2613 252 1341 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2253 358 628 TELLCOM-AS, TR 58224 1755 916 568 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 10941 3340 578 Uninet S.A. de C.V., MX 10620 3470 510 840 Telmex Colombia S.A., CO 11830 2304 369 64 Instituto Costarricense de Electricidad 13999 2051 334 531 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1146 369 22 Telefonica del Peru S.A.A., PE 11664 1070 180 462 Techtel LMDS Comunicaciones Interactiva 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 1569 393 21 LINKdotNET-AS, EG 24835 1512 521 31 RAYA-AS, EG 36992 1345 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1005 68 37 ORANGE-COTE-IVOIRE, CI 36935 812 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 524 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 401 232 16 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 10941 3340 578 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7282 10551 2853 AMAZON-02, US 12479 6876 1730 144 UNI2-AS, ES 7545 5925 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4553 302 622 CABLEONE, US 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6876 6732 UNI2-AS, ES 7545 5925 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7282 4429 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4553 3931 CABLEONE, US 20940 4096 3922 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /13:586 /14:1194 /15:2078 /16:13466 /17:8284 /18:13769 /19:24695 /20:43060 /21:50773 /22:107928 /23:95778 /24:532662 /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 5883 6876 UNI2-AS, ES 8151 4774 10941 Uninet S.A. de C.V., MX 11492 3476 4553 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2787 3775 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2256 2598 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1885 2:1028 3:166 4:5 5:3914 6:116 7:6 8:1558 9:1 11:173 12:1625 13:335 14:2366 15:266 16:67 17:362 18:328 20:242 21:4 22:188 23:5936 24:2454 25:6 27:2667 29:19 31:2437 32:90 34:7 35:90 36:1892 37:4476 38:3612 39:746 40:159 41:3925 42:1153 43:2243 44:294 45:16123 46:4170 47:376 49:1716 50:1932 51:242 52:1492 54:387 55:851 56:8 57:78 58:1725 59:1109 60:990 61:2366 62:2532 63:1917 64:5601 65:2308 66:4832 67:2953 68:1202 69:4154 70:1305 71:678 72:2978 74:2640 75:1478 76:589 77:2226 78:1819 79:3141 80:2045 81:1639 82:1514 83:1208 84:1398 85:2933 86:732 87:1905 88:1154 89:3409 90:542 91:7554 92:2045 93:2543 94:3538 95:3847 96:1332 97:343 98:1030 99:735 100:77 101:1296 102:2338 103:30158 104:4545 105:474 106:887 107:2539 108:892 109:4330 110:2015 111:3276 112:2043 113:1477 114:1510 115:1974 116:1888 117:2485 118:2325 119:1849 120:1706 121:1004 122:2538 123:2097 124:1509 125:2096 128:1178 129:982 130:960 131:2014 132:816 133:377 134:1895 135:295 136:872 137:889 138:2529 139:1511 140:1075 141:1472 142:1398 143:1390 144:1196 145:348 146:1853 147:1523 148:2230 149:1787 150:875 151:1110 152:1937 153:468 154:3814 155:1423 156:1667 157:1298 158:1038 159:2175 160:2538 161:1357 162:3507 163:1415 164:1671 165:1662 166:779 167:1732 168:3785 169:872 170:4546 171:852 172:3402 173:3098 174:1013 175:1150 176:3600 177:4727 178:3559 179:2120 180:2365 181:3256 182:3192 183:1940 184:2354 185:19751 186:4597 187:3935 188:4020 189:3471 190:8988 191:1446 192:10973 193:8716 194:7141 195:5027 196:3063 197:2451 198:5947 199:6028 200:7566 201:5801 202:10149 203:10010 204:4514 205:3483 206:3805 207:3378 208:4028 209:4725 210:4118 211:2323 212:4010 213:3547 214:1119 215:54 216:6407 217:2615 218:1269 219:404 220:1784 221:921 222:650 223:2008 End of report