IPv4 R&E Routing Table Report 23:05 GMT Sun 05 Feb, 2023 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: 903803 Prefixes after maximum aggregation (per Origin AS): 344445 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445812 Number of IPv4 prefixes with a valid ROA: 371235 Number of IPv4 prefixes with an invalid ROA: 1535 Number of IPv4 prefixes with no ROA: 531033 Total ASes present in the Internet Routing Table: 73912 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63490 Origin ASes announcing only one prefix: 26121 Transit ASes present in the Internet Routing Table: 10422 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1000 Number of instances of unregistered ASNs: 1010 Number of 32-bit ASNs allocated by the RIRs: 41198 Number of 32-bit ASNs visible in the Routing Table: 34055 Prefixes from 32-bit ASNs in the Routing Table: 166214 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3061378048 Equivalent to 182 /8s, 120 /16s and 236 /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: 303897 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234001 Total APNIC prefixes after maximum aggregation: 68131 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 229076 Unique aggregates announced from the APNIC address blocks: 97847 APNIC Region origin ASes present in the Internet Routing Table: 13161 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3802 APNIC Region transit ASes present in the Internet Routing Table: 1763 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8498 Number of APNIC addresses announced to Internet: 773031424 Equivalent to 46 /8s, 19 /16s and 134 /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: 265995 Total ARIN prefixes after maximum aggregation: 120942 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267933 Unique aggregates announced from the ARIN address blocks: 130045 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1897 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: 4723 Number of ARIN addresses announced to Internet: 1285529088 Equivalent to 76 /8s, 159 /16s and 158 /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: 256291 Total RIPE prefixes after maximum aggregation: 120596 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252703 Unique aggregates announced from the RIPE address blocks: 156370 RIPE Region origin ASes present in the Internet Routing Table: 28213 RIPE Prefixes per ASN: 8.96 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3981 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10995 Number of RIPE addresses announced to Internet: 718323712 Equivalent to 42 /8s, 208 /16s and 192 /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: 117269 Total LACNIC prefixes after maximum aggregation: 28298 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116501 Unique aggregates announced from the LACNIC address blocks: 49097 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2267 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: 8774 Number of LACNIC addresses announced to Internet: 176120064 Equivalent to 10 /8s, 127 /16s and 97 /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: 29247 Total AfriNIC prefixes after maximum aggregation: 5734 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37075 Unique aggregates announced from the AfriNIC address blocks: 12032 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 21.58 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1065 Number of AfriNIC addresses announced to Internet: 108055808 Equivalent to 6 /8s, 112 /16s and 205 /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 9442 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5869 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2728 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 847 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 213 TATACOMM-AS TATA Communications formerl 45090 2148 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 7919 10730 2901 AMAZON-02, US 11492 4533 300 601 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3663 3065 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3322 1681 2424 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 7018 2584 24125 1566 ATT-INTERNET4, US 30036 2567 367 353 MEDIACOM-ENTERPRISE-BUSINESS, 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 6990 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4035 3399 169 AKAMAI-ASN1, NL 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2696 256 1374 M247, RO 34984 2259 359 608 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, UA 58224 1838 946 557 TCI, IR 13188 1607 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 11082 3346 588 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2235 370 601 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1105 181 462 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1539 533 30 RAYA-AS, EG 24863 1491 393 21 LINKdotNET-AS, EG 36992 1349 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 996 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 548 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 492 73 5 EthioNet-AS, ET 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 11082 3346 588 Uninet S.A. de C.V., MX 9808 9442 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7919 10730 2901 AMAZON-02, US 12479 6990 1706 146 UNI2-AS, ES 7545 5869 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4533 300 601 CABLEONE, US 20940 4035 3399 169 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9442 9395 CHINAMOBILE-CN China Mobile Communications Grou 12479 6990 6844 UNI2-AS, ES 7545 5869 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7919 5018 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4533 3932 CABLEONE, US 20940 4035 3866 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3896 3859 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3637 3616 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 23.131.185.0/24 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: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:101 /12:295 /13:578 /14:1198 /15:2075 /16:13460 /17:8223 /18:13764 /19:24799 /20:42889 /21:50856 /22:108798 /23:96751 /24:539940 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6053 6990 UNI2-AS, ES 8151 5089 11082 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3448 4533 CABLEONE, US 8551 3368 3896 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2709 3663 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2224 2567 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2049 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1227 3:168 4:5 5:4244 6:115 7:5 8:1513 9:1 11:172 12:1587 13:380 14:2350 15:290 16:79 17:366 18:395 20:243 21:4 22:188 23:6044 24:2483 25:4 27:2639 29:19 31:2499 32:106 34:9 35:104 36:1907 37:4590 38:4077 39:836 40:154 41:4009 42:1051 43:2300 44:303 45:16348 46:4117 47:374 49:1732 50:1833 51:382 52:1556 54:395 55:857 56:8 57:80 58:1675 59:1113 60:992 61:2449 62:2617 63:1933 64:5653 65:2315 66:4916 67:3039 68:1348 69:4134 70:1251 71:660 72:2966 74:2591 75:1457 76:599 77:2392 78:1830 79:3175 80:2073 81:1703 82:1483 83:1237 84:1501 85:2976 86:751 87:1950 88:1210 89:3564 90:595 91:7637 92:2007 93:2588 94:3532 95:3928 96:1330 97:346 98:1158 99:741 100:75 101:1297 102:2582 103:30819 104:4561 105:485 106:847 107:2518 108:898 109:4379 110:2070 111:3294 112:2039 113:1479 114:1604 115:2009 116:1877 117:2553 118:2294 119:1894 120:1740 121:1050 122:2585 123:2138 124:1561 125:2290 128:1244 129:1050 130:972 131:1980 132:826 133:404 134:1907 135:297 136:864 137:923 138:2572 139:1546 140:1178 141:1470 142:1419 143:1492 144:1200 145:353 146:1854 147:1550 148:2269 149:1880 150:870 151:1140 152:1944 153:480 154:3899 155:1398 156:1661 157:1295 158:1005 159:2263 160:2540 161:1418 162:3510 163:1477 164:1609 165:1665 166:827 167:1751 168:3847 169:918 170:4566 171:882 172:3512 173:2957 174:1024 175:1166 176:3673 177:4587 178:3551 179:2134 180:2394 181:3377 182:3241 183:1935 184:2343 185:19995 186:4658 187:3905 188:4073 189:3478 190:9083 191:1435 192:10936 193:8801 194:7222 195:5104 196:3138 197:2414 198:5882 199:6070 200:7677 201:5859 202:10226 203:10004 204:4583 205:3498 206:3796 207:3354 208:4061 209:4782 210:4160 211:2387 212:4079 213:3541 214:1096 215:56 216:6596 217:2638 218:1256 219:400 220:1770 221:969 222:665 223:2056 End of report