IPv4 R&E Routing Table Report 23:05 GMT Wed 11 Jan, 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: 902544 Prefixes after maximum aggregation (per Origin AS): 344229 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444765 Number of IPv4 prefixes with a valid ROA: 367916 Number of IPv4 prefixes with an invalid ROA: 1516 Number of IPv4 prefixes with no ROA: 533112 Total ASes present in the Internet Routing Table: 73891 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63451 Origin ASes announcing only one prefix: 26134 Transit ASes present in the Internet Routing Table: 10440 Transit-only ASes present in the Internet Routing Table: 422 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 1004 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 41024 Number of 32-bit ASNs visible in the Routing Table: 33977 Prefixes from 32-bit ASNs in the Routing Table: 165690 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3062960384 Equivalent to 182 /8s, 145 /16s and 17 /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: 303566 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233222 Total APNIC prefixes after maximum aggregation: 67985 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228285 Unique aggregates announced from the APNIC address blocks: 97526 APNIC Region origin ASes present in the Internet Routing Table: 13145 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3826 APNIC Region transit ASes present in the Internet Routing Table: 1767 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: 8467 Number of APNIC addresses announced to Internet: 773333248 Equivalent to 46 /8s, 24 /16s and 33 /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: 266389 Total ARIN prefixes after maximum aggregation: 121306 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267852 Unique aggregates announced from the ARIN address blocks: 129582 ARIN Region origin ASes present in the Internet Routing Table: 19007 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6989 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4709 Number of ARIN addresses announced to Internet: 1285911808 Equivalent to 76 /8s, 165 /16s and 117 /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: 255639 Total RIPE prefixes after maximum aggregation: 120213 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252397 Unique aggregates announced from the RIPE address blocks: 156211 RIPE Region origin ASes present in the Internet Routing Table: 28215 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3997 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: 10979 Number of RIPE addresses announced to Internet: 719253504 Equivalent to 42 /8s, 222 /16s and 240 /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: 117338 Total LACNIC prefixes after maximum aggregation: 28250 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116548 Unique aggregates announced from the LACNIC address blocks: 48915 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2269 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: 8767 Number of LACNIC addresses announced to Internet: 176007424 Equivalent to 10 /8s, 125 /16s and 169 /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: 28952 Total AfriNIC prefixes after maximum aggregation: 5713 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36951 Unique aggregates announced from the AfriNIC address blocks: 12114 AfriNIC Region origin ASes present in the Internet Routing Table: 1712 AfriNIC Prefixes per ASN: 21.58 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1055 Number of AfriNIC addresses announced to Internet: 108161280 Equivalent to 6 /8s, 114 /16s and 105 /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 9247 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5936 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3628 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3105 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2696 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7762 10701 2917 AMAZON-02, US 11492 4546 301 573 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3688 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 63 SHAW, CA 16625 3457 1783 2510 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2618 24133 1587 ATT-INTERNET4, US 396982 2573 3493 368 GOOGLE-CLOUD-PLATFORM, US 30036 2568 368 380 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 6965 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4046 3399 173 AKAMAI-ASN1, NL 8551 3911 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2647 252 1351 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1821 944 535 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 10984 3338 589 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2204 361 593 Mega Cable, S.A. de C.V., MX 28573 1342 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1136 186 465 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1538 533 30 RAYA-AS, EG 24863 1478 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1014 67 43 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 526 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 384 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 10984 3338 589 Uninet S.A. de C.V., MX 9808 9247 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7762 10701 2917 AMAZON-02, US 12479 6965 1706 146 UNI2-AS, ES 7545 5936 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4546 301 573 CABLEONE, US 20940 4046 3399 173 AKAMAI-ASN1, NL 8551 3911 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3895 265 33 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 9247 9200 CHINAMOBILE-CN China Mobile Communications Grou 12479 6965 6819 UNI2-AS, ES 7545 5936 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7762 4845 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4546 3973 CABLEONE, US 20940 4046 3873 AKAMAI-ASN1, NL 8551 3911 3873 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 7552 3628 3607 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 3402 UNALLOCATED 8.2.200.0/21 6939 HURRICANE, US 3402 UNALLOCATED 8.2.207.0/24 2914 NTT-LTD-2914, 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 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 /13:580 /14:1199 /15:2078 /16:13483 /17:8231 /18:13781 /19:24817 /20:42721 /21:50818 /22:108782 /23:96683 /24:538899 /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 6019 6965 UNI2-AS, ES 8151 4996 10984 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 8551 3376 3911 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3330 3522 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2725 3688 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2225 2568 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1623 2:1231 3:168 4:5 5:4108 6:110 7:5 8:1532 9:1 11:172 12:1596 13:371 14:2318 15:285 16:79 17:369 18:413 20:243 21:4 22:188 23:6034 24:2457 25:4 27:2645 29:19 31:2497 32:99 34:8 35:97 36:1877 37:4596 38:4003 39:831 40:144 41:3947 42:1042 43:2289 44:301 45:16369 46:4145 47:374 49:1728 50:1914 51:378 52:1545 54:394 55:802 56:8 57:78 58:1675 59:1103 60:1006 61:2417 62:2645 63:1936 64:5621 65:2318 66:4891 67:3040 68:1346 69:4102 70:1253 71:655 72:2970 74:2579 75:1465 76:594 77:2367 78:1826 79:3165 80:2070 81:1674 82:1478 83:1224 84:1492 85:2967 86:744 87:1926 88:1201 89:3527 90:591 91:7644 92:1984 93:2571 94:3522 95:3918 96:1307 97:344 98:1164 99:739 100:75 101:1293 102:2550 103:30703 104:4582 105:483 106:842 107:2533 108:906 109:4367 110:2043 111:3267 112:2020 113:1465 114:1602 115:2019 116:1873 117:2508 118:2289 119:1868 120:1720 121:1045 122:2577 123:2136 124:1554 125:2272 128:1244 129:1048 130:962 131:2003 132:827 133:405 134:1897 135:297 136:893 137:920 138:2583 139:1538 140:1020 141:1482 142:1415 143:1442 144:1188 145:350 146:1883 147:1542 148:2273 149:1864 150:860 151:1129 152:1976 153:478 154:3863 155:1404 156:1648 157:1298 158:1044 159:2251 160:2567 161:1420 162:3532 163:1468 164:1683 165:1668 166:822 167:1751 168:3837 169:918 170:4584 171:884 172:3490 173:3008 174:1023 175:1158 176:3700 177:4756 178:3550 179:2133 180:2412 181:3350 182:3243 183:1936 184:2344 185:19987 186:4651 187:3924 188:4072 189:3444 190:9017 191:1432 192:10936 193:8852 194:7211 195:5103 196:3073 197:2397 198:5925 199:6077 200:7657 201:5876 202:10220 203:10016 204:4587 205:3502 206:3785 207:3344 208:4082 209:4773 210:4157 211:2384 212:4075 213:3555 214:1105 215:55 216:6592 217:2634 218:1253 219:408 220:1779 221:964 222:662 223:1970 End of report