IPv4 R&E Routing Table Report 23:05 GMT Mon 07 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: 898501 Prefixes after maximum aggregation (per Origin AS): 342112 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441415 Number of IPv4 prefixes with a valid ROA: 359813 Number of IPv4 prefixes with an invalid ROA: 1694 Number of IPv4 prefixes with no ROA: 536994 Total ASes present in the Internet Routing Table: 73620 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63297 Origin ASes announcing only one prefix: 26018 Transit ASes present in the Internet Routing Table: 10323 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 983 Number of instances of unregistered ASNs: 986 Number of 32-bit ASNs allocated by the RIRs: 40593 Number of 32-bit ASNs visible in the Routing Table: 33583 Prefixes from 32-bit ASNs in the Routing Table: 162390 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3063648000 Equivalent to 182 /8s, 155 /16s and 143 /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: 302127 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232411 Total APNIC prefixes after maximum aggregation: 67379 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227402 Unique aggregates announced from the APNIC address blocks: 96880 APNIC Region origin ASes present in the Internet Routing Table: 12991 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3753 APNIC Region transit ASes present in the Internet Routing Table: 1744 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8296 Number of APNIC addresses announced to Internet: 773292032 Equivalent to 46 /8s, 23 /16s and 128 /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: 265839 Total ARIN prefixes after maximum aggregation: 121145 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267167 Unique aggregates announced from the ARIN address blocks: 128917 ARIN Region origin ASes present in the Internet Routing Table: 19026 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6989 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4658 Number of ARIN addresses announced to Internet: 1289688832 Equivalent to 76 /8s, 223 /16s and 23 /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: 253733 Total RIPE prefixes after maximum aggregation: 119281 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250522 Unique aggregates announced from the RIPE address blocks: 154696 RIPE Region origin ASes present in the Internet Routing Table: 28137 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11991 RIPE Region transit ASes present in the Internet Routing Table: 3972 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: 10851 Number of RIPE addresses announced to Internet: 716461312 Equivalent to 42 /8s, 180 /16s and 85 /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: 116682 Total LACNIC prefixes after maximum aggregation: 27947 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116083 Unique aggregates announced from the LACNIC address blocks: 48577 LACNIC Region origin ASes present in the Internet Routing Table: 10984 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2227 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: 8751 Number of LACNIC addresses announced to Internet: 175940352 Equivalent to 10 /8s, 124 /16s and 163 /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: 28853 Total AfriNIC prefixes after maximum aggregation: 5615 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36828 Unique aggregates announced from the AfriNIC address blocks: 11930 AfriNIC Region origin ASes present in the Internet Routing Table: 1700 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1027 Number of AfriNIC addresses announced to Internet: 107982848 Equivalent to 6 /8s, 111 /16s and 176 /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 9088 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3600 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3391 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2516 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2265 848 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2158 440 214 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 7540 10609 2897 AMAZON-02, US 11492 4592 304 537 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3758 3061 341 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3546 1854 2539 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2612 24058 1572 ATT-INTERNET4, US 30036 2596 371 300 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2560 3480 355 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 6928 1730 144 UNI2-AS, ES 20940 4090 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2626 252 1350 M247, RO 6849 2399 339 20 UKRTELNET, UA 34984 2240 357 613 TELLCOM-AS, TR 58224 1772 930 546 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 10732 3344 605 Uninet S.A. de C.V., MX 10620 3472 510 839 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2102 342 546 Mega Cable, S.A. de C.V., MX 28573 1331 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1110 182 471 Techtel LMDS Comunicaciones Interactiva 6147 1083 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 1572 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 68 32 ORANGE-COTE-IVOIRE, CI 36935 831 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 490 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 10732 3344 605 Uninet S.A. de C.V., MX 9808 9088 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7540 10609 2897 AMAZON-02, US 12479 6928 1730 144 UNI2-AS, ES 7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4592 304 537 CABLEONE, US 20940 4090 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 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 9088 9041 CHINAMOBILE-CN China Mobile Communications Grou 12479 6928 6784 UNI2-AS, ES 7545 5948 5253 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7540 4643 AMAZON-02, US 11492 4592 4055 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4090 3916 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3600 3580 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /16:13487 /17:8281 /18:13858 /19:24797 /20:43001 /21:50743 /22:108582 /23:96208 /24:535218 /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 5934 6928 UNI2-AS, ES 8151 4719 10732 Uninet S.A. de C.V., MX 11492 3499 4592 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2781 3758 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2259 2399 UKRTELNET, UA 30036 2252 2596 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1018 3:166 4:5 5:4018 6:118 7:5 8:1557 9:1 11:173 12:1619 13:345 14:2371 15:280 16:69 17:360 18:370 20:236 21:4 22:188 23:5977 24:2452 25:6 27:2704 29:19 31:2473 32:90 34:7 35:95 36:1817 37:4522 38:3734 39:771 40:144 41:3940 42:1171 43:2226 44:300 45:16245 46:4186 47:367 49:1701 50:1915 51:237 52:1496 54:398 55:847 56:8 57:79 58:1721 59:1107 60:1003 61:2404 62:2548 63:1955 64:5613 65:2329 66:4826 67:2995 68:1377 69:4136 70:1296 71:679 72:2996 74:2636 75:1476 76:597 77:2221 78:1826 79:3153 80:2055 81:1680 82:1479 83:1212 84:1438 85:2944 86:731 87:1919 88:1161 89:3424 90:550 91:7605 92:2050 93:2550 94:3540 95:3874 96:1348 97:349 98:1170 99:739 100:69 101:1299 102:2435 103:30305 104:4522 105:479 106:892 107:2535 108:904 109:4332 110:2012 111:3270 112:2047 113:1493 114:1569 115:2000 116:1869 117:2465 118:2326 119:1839 120:1676 121:1029 122:2569 123:2106 124:1512 125:2109 128:1210 129:969 130:965 131:2017 132:829 133:378 134:1908 135:289 136:876 137:906 138:2520 139:1515 140:1116 141:1464 142:1393 143:1405 144:1197 145:350 146:1873 147:1526 148:2236 149:1836 150:870 151:1139 152:1959 153:453 154:3803 155:1432 156:1615 157:1294 158:1034 159:2201 160:2577 161:1389 162:3500 163:1428 164:1670 165:1637 166:817 167:1718 168:3808 169:901 170:4548 171:849 172:3475 173:3099 174:1030 175:1172 176:3604 177:4779 178:3529 179:2117 180:2383 181:3339 182:3198 183:1920 184:2344 185:19877 186:4555 187:3975 188:4000 189:3410 190:9034 191:1419 192:10988 193:8756 194:7154 195:5071 196:3064 197:2467 198:5936 199:6043 200:7544 201:5840 202:10153 203:10044 204:4589 205:3477 206:3810 207:3366 208:4078 209:4769 210:4123 211:2329 212:4001 213:3500 214:1103 215:53 216:6529 217:2623 218:1265 219:406 220:1795 221:924 222:660 223:1982 End of report