IPv4 R&E Routing Table Report 23:05 GMT Sun 27 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: 901018 Prefixes after maximum aggregation (per Origin AS): 342559 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442749 Number of IPv4 prefixes with a valid ROA: 364347 Number of IPv4 prefixes with an invalid ROA: 1668 Number of IPv4 prefixes with no ROA: 535003 Total ASes present in the Internet Routing Table: 73699 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63356 Origin ASes announcing only one prefix: 26004 Transit ASes present in the Internet Routing Table: 10343 Transit-only ASes present in the Internet Routing Table: 411 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 984 Number of instances of unregistered ASNs: 986 Number of 32-bit ASNs allocated by the RIRs: 40731 Number of 32-bit ASNs visible in the Routing Table: 33707 Prefixes from 32-bit ASNs in the Routing Table: 164144 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: 514 Number of addresses announced to Internet: 3062215680 Equivalent to 182 /8s, 133 /16s and 180 /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: 302963 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233245 Total APNIC prefixes after maximum aggregation: 67571 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228156 Unique aggregates announced from the APNIC address blocks: 97304 APNIC Region origin ASes present in the Internet Routing Table: 13049 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3785 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8357 Number of APNIC addresses announced to Internet: 773117952 Equivalent to 46 /8s, 20 /16s and 216 /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: 266240 Total ARIN prefixes after maximum aggregation: 121159 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267707 Unique aggregates announced from the ARIN address blocks: 129373 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1877 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: 4670 Number of ARIN addresses announced to Internet: 1288692992 Equivalent to 76 /8s, 207 /16s and 229 /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: 254399 Total RIPE prefixes after maximum aggregation: 119321 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251054 Unique aggregates announced from the RIPE address blocks: 154777 RIPE Region origin ASes present in the Internet Routing Table: 28142 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11989 RIPE Region transit ASes present in the Internet Routing Table: 3966 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: 10887 Number of RIPE addresses announced to Internet: 716199424 Equivalent to 42 /8s, 176 /16s and 86 /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: 117261 Total LACNIC prefixes after maximum aggregation: 28124 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116662 Unique aggregates announced from the LACNIC address blocks: 48889 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 8757 Number of LACNIC addresses announced to Internet: 175813632 Equivalent to 10 /8s, 122 /16s and 180 /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: 28889 Total AfriNIC prefixes after maximum aggregation: 5639 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36925 Unique aggregates announced from the AfriNIC address blocks: 11978 AfriNIC Region origin ASes present in the Internet Routing Table: 1703 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1036 Number of AfriNIC addresses announced to Internet: 108101376 Equivalent to 6 /8s, 113 /16s and 127 /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 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1874 89 VNPT-AS-VN VNPT Corp, VN 9498 2551 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2301 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2292 11251 596 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 7658 10622 2893 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3726 3062 326 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3568 1862 2561 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2596 24060 1558 ATT-INTERNET4, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6952 1730 145 UNI2-AS, ES 20940 4096 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2649 252 1361 M247, RO 34984 2246 357 610 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1772 930 537 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 10891 3350 599 Uninet S.A. de C.V., MX 10620 3458 506 849 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2126 348 550 Mega Cable, S.A. de C.V., MX 28573 1327 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1131 183 478 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 1544 537 31 RAYA-AS, EG 24863 1539 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 10891 3350 599 Uninet S.A. de C.V., MX 9808 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7658 10622 2893 AMAZON-02, US 12479 6952 1730 145 UNI2-AS, ES 7545 5945 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4579 303 539 CABLEONE, US 20940 4096 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3966 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 9131 9084 CHINAMOBILE-CN China Mobile Communications Grou 12479 6952 6807 UNI2-AS, ES 7545 5945 5254 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7658 4765 AMAZON-02, US 11492 4579 4040 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4096 3921 AKAMAI-ASN1, NL 7552 3624 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 /15:2076 /16:13477 /17:8253 /18:13777 /19:24818 /20:43017 /21:50938 /22:108827 /23:96383 /24:537204 /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 5983 6952 UNI2-AS, ES 8151 4836 10891 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2751 3726 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2247 2589 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1855 2:1023 3:166 4:5 5:4050 6:118 7:5 8:1545 9:1 11:173 12:1617 13:380 14:2368 15:286 16:73 17:366 18:384 20:239 21:4 22:188 23:6007 24:2450 25:6 27:2705 29:19 31:2482 32:96 34:8 35:94 36:1831 37:4540 38:3855 39:771 40:144 41:3955 42:1182 43:2274 44:303 45:16341 46:4125 47:371 49:1695 50:1929 51:244 52:1506 54:398 55:843 56:8 57:79 58:1729 59:1103 60:1005 61:2422 62:2570 63:1952 64:5648 65:2334 66:4824 67:2998 68:1379 69:4158 70:1292 71:677 72:2981 74:2635 75:1472 76:597 77:2250 78:1821 79:3156 80:2051 81:1682 82:1501 83:1219 84:1495 85:2966 86:748 87:1929 88:1169 89:3470 90:573 91:7611 92:1988 93:2566 94:3548 95:3881 96:1339 97:348 98:1174 99:740 100:69 101:1285 102:2473 103:30484 104:4536 105:477 106:827 107:2530 108:911 109:4320 110:2000 111:3274 112:2035 113:1506 114:1601 115:2043 116:1879 117:2469 118:2335 119:1843 120:1697 121:1047 122:2585 123:2124 124:1534 125:2135 128:1209 129:965 130:962 131:2015 132:826 133:401 134:1909 135:295 136:880 137:914 138:2557 139:1519 140:1041 141:1482 142:1407 143:1413 144:1201 145:352 146:1884 147:1506 148:2245 149:1841 150:865 151:1144 152:1955 153:456 154:3787 155:1401 156:1627 157:1288 158:1038 159:2240 160:2573 161:1422 162:3505 163:1447 164:1664 165:1656 166:838 167:1733 168:3837 169:916 170:4568 171:862 172:3519 173:3107 174:1032 175:1182 176:3612 177:4798 178:3543 179:2144 180:2389 181:3351 182:3203 183:1922 184:2353 185:19935 186:4620 187:3972 188:4047 189:3445 190:9037 191:1446 192:10983 193:8762 194:7190 195:5083 196:3071 197:2416 198:5950 199:6079 200:7622 201:5831 202:10171 203:10054 204:4596 205:3465 206:3762 207:3341 208:4095 209:4771 210:4157 211:2395 212:4028 213:3527 214:1101 215:57 216:6591 217:2621 218:1265 219:409 220:1793 221:951 222:631 223:2006 End of report