IPv4 R&E Routing Table Report 23:05 GMT Wed 29 Jun, 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: 886052 Prefixes after maximum aggregation (per Origin AS): 337112 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434192 Number of IPv4 prefixes with a valid ROA: 332644 Number of IPv4 prefixes with an invalid ROA: 1297 Number of IPv4 prefixes with no ROA: 552111 Total ASes present in the Internet Routing Table: 73118 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62766 Origin ASes announcing only one prefix: 25832 Transit ASes present in the Internet Routing Table: 10352 Transit-only ASes present in the Internet Routing Table: 389 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 879 Number of instances of unregistered ASNs: 883 Number of 32-bit ASNs allocated by the RIRs: 39682 Number of 32-bit ASNs visible in the Routing Table: 32847 Prefixes from 32-bit ASNs in the Routing Table: 155874 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3067455232 Equivalent to 182 /8s, 213 /16s and 167 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297840 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229132 Total APNIC prefixes after maximum aggregation: 66312 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224384 Unique aggregates announced from the APNIC address blocks: 95318 APNIC Region origin ASes present in the Internet Routing Table: 12665 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 3639 APNIC Region transit ASes present in the Internet Routing Table: 1736 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7943 Number of APNIC addresses announced to Internet: 772344064 Equivalent to 46 /8s, 9 /16s and 9 /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: 261821 Total ARIN prefixes after maximum aggregation: 120063 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262140 Unique aggregates announced from the ARIN address blocks: 126773 ARIN Region origin ASes present in the Internet Routing Table: 18961 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6905 ARIN Region transit ASes present in the Internet Routing Table: 1874 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4516 Number of ARIN addresses announced to Internet: 1296838912 Equivalent to 77 /8s, 76 /16s and 49 /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: 251020 Total RIPE prefixes after maximum aggregation: 117109 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248153 Unique aggregates announced from the RIPE address blocks: 151566 RIPE Region origin ASes present in the Internet Routing Table: 28131 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 4009 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10727 Number of RIPE addresses announced to Internet: 713828352 Equivalent to 42 /8s, 140 /16s and 40 /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: 115146 Total LACNIC prefixes after maximum aggregation: 27424 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114928 Unique aggregates announced from the LACNIC address blocks: 48727 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2231 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: 8684 Number of LACNIC addresses announced to Internet: 176380928 Equivalent to 10 /8s, 131 /16s and 92 /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: 28054 Total AfriNIC prefixes after maximum aggregation: 5527 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35959 Unique aggregates announced from the AfriNIC address blocks: 11393 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107782912 Equivalent to 6 /8s, 108 /16s and 163 /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 9261 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2138 1438 80 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 425 216 TATACOMM-AS TATA Communications formerl 24560 2096 850 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6693 10379 2676 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3877 3066 349 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3477 1787 2508 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2630 374 144 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2500 3343 356 GOOGLE-CLOUD-PLATFORM, US 209 2435 4952 415 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 6895 1730 145 UNI2-AS, ES 8551 4013 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3979 3360 195 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2524 249 1312 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1803 935 590 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 10768 3403 550 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1893 311 498 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1312 344 526 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1030 190 438 Techtel LMDS Comunicaciones Interactiva 26615 978 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 1613 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 411 232 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 10768 3403 550 Uninet S.A. de C.V., MX 9808 9261 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6895 1730 145 UNI2-AS, ES 16509 6693 10379 2676 AMAZON-02, US 7545 5924 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4013 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3979 3360 195 AKAMAI-ASN1, NL 7155 3901 264 31 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 9261 9215 CHINAMOBILE-CN China Mobile Communications Grou 12479 6895 6750 UNI2-AS, ES 7545 5924 5231 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6693 4017 AMAZON-02, US 8551 4013 3974 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3979 3784 AKAMAI-ASN1, NL 7552 3572 3553 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 31.24.249.0/24 Origin: 211398 CRAZYGROUP-AS, BE 31.24.249.0/24 Transit: 34927 IFOG-GMBH, CH 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 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 /10:40 /11:100 /12:301 /13:589 /14:1198 /15:2090 /16:13481 /17:8271 /18:13761 /19:24740 /20:43051 /21:50777 /22:107311 /23:95022 /24:525285 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5873 6895 UNI2-AS, ES 8151 4491 10768 Uninet S.A. de C.V., MX 8551 3477 4013 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2899 3877 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2287 2630 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1917 2:1040 3:157 4:5 5:3802 6:109 7:6 8:1526 9:1 11:172 12:1647 13:327 14:2342 15:226 16:44 17:383 18:175 19:1 20:213 21:4 22:188 23:5716 24:2370 25:6 27:2615 29:19 31:2456 32:92 34:7 35:87 36:1827 37:4423 38:3164 39:713 40:152 41:3909 42:1121 43:2192 44:291 45:15818 46:4115 47:295 49:1680 50:1937 51:237 52:1455 54:385 55:845 56:8 57:60 58:1702 59:1112 60:964 61:2268 62:2500 63:1931 64:5526 65:2343 66:4829 67:2957 68:1190 69:4167 70:1324 71:678 72:3029 74:2621 75:1394 76:574 77:2221 78:1836 79:3133 80:1988 81:1609 82:1493 83:1210 84:1317 85:2931 86:712 87:1916 88:1147 89:3321 90:543 91:7598 92:2008 93:2545 94:3445 95:3834 96:1309 97:350 98:1005 99:752 100:75 101:1280 102:2124 103:29224 104:4477 105:467 106:871 107:2546 108:839 109:4273 110:1977 111:3284 112:2036 113:1467 114:1475 115:1977 116:1889 117:2562 118:2302 119:1846 120:1663 121:1024 122:2505 123:2089 124:1539 125:2045 128:1176 129:1053 130:974 131:2011 132:806 133:377 134:1937 135:279 136:888 137:864 138:2432 139:1523 140:888 141:1422 142:1295 143:1424 144:1203 145:349 146:1806 147:1505 148:2208 149:1719 150:857 151:1069 152:1846 153:460 154:3553 155:1441 156:1683 157:1262 158:1041 159:2224 160:2535 161:1285 162:3449 163:1273 164:1630 165:1625 166:750 167:1745 168:3794 169:877 170:4491 171:831 172:3219 173:3121 174:1017 175:1152 176:3554 177:4607 178:3535 179:2126 180:2328 181:3026 182:3206 183:1955 184:2345 185:19589 186:4344 187:3787 188:3916 189:3377 190:8939 191:1418 192:10995 193:8625 194:7051 195:4937 196:3037 197:2415 198:5939 199:6026 200:7476 201:5874 202:10081 203:10004 204:4517 205:3453 206:3640 207:3341 208:3999 209:4649 210:4142 211:2318 212:4005 213:3425 214:1144 215:65 216:6464 217:2641 218:1271 219:408 220:1677 221:971 222:653 223:2153 End of report