IPv4 R&E Routing Table Report 23:05 GMT Mon 16 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: 902976 Prefixes after maximum aggregation (per Origin AS): 344252 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445000 Number of IPv4 prefixes with a valid ROA: 368622 Number of IPv4 prefixes with an invalid ROA: 1552 Number of IPv4 prefixes with no ROA: 532802 Total ASes present in the Internet Routing Table: 73928 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63497 Origin ASes announcing only one prefix: 26137 Transit ASes present in the Internet Routing Table: 10431 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: 971 Number of instances of unregistered ASNs: 980 Number of 32-bit ASNs allocated by the RIRs: 41058 Number of 32-bit ASNs visible in the Routing Table: 34008 Prefixes from 32-bit ASNs in the Routing Table: 165863 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: 506 Number of addresses announced to Internet: 3062883072 Equivalent to 182 /8s, 143 /16s and 227 /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: 303600 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233414 Total APNIC prefixes after maximum aggregation: 68030 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228484 Unique aggregates announced from the APNIC address blocks: 97575 APNIC Region origin ASes present in the Internet Routing Table: 13162 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3818 APNIC Region transit ASes present in the Internet Routing Table: 1771 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: 8484 Number of APNIC addresses announced to Internet: 773286912 Equivalent to 46 /8s, 23 /16s and 108 /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: 266464 Total ARIN prefixes after maximum aggregation: 121264 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267989 Unique aggregates announced from the ARIN address blocks: 129592 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 7002 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4715 Number of ARIN addresses announced to Internet: 1285879552 Equivalent to 76 /8s, 164 /16s and 247 /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: 255558 Total RIPE prefixes after maximum aggregation: 120231 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252272 Unique aggregates announced from the RIPE address blocks: 156324 RIPE Region origin ASes present in the Internet Routing Table: 28223 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 10988 Number of RIPE addresses announced to Internet: 719267328 Equivalent to 42 /8s, 223 /16s and 38 /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: 117452 Total LACNIC prefixes after maximum aggregation: 28264 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116633 Unique aggregates announced from the LACNIC address blocks: 48992 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8768 Number of LACNIC addresses announced to Internet: 176032000 Equivalent to 10 /8s, 126 /16s and 9 /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: 29117 Total AfriNIC prefixes after maximum aggregation: 5710 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37092 Unique aggregates announced from the AfriNIC address blocks: 12105 AfriNIC Region origin ASes present in the Internet Routing Table: 1709 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1053 Number of AfriNIC addresses announced to Internet: 108124416 Equivalent to 6 /8s, 113 /16s and 217 /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 9351 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5937 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3109 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2704 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 214 TATACOMM-AS TATA Communications formerl 45090 2147 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 7781 10705 2931 AMAZON-02, US 11492 4540 301 593 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3689 3063 320 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3449 1777 2510 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2624 24133 1593 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2564 367 390 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 6963 1706 146 UNI2-AS, ES 39891 4362 260 58 ALJAWWALSTC-AS, SA 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2678 254 1350 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1822 944 536 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 11006 3338 588 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2209 362 594 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1135 186 464 Techtel LMDS Comunicaciones Interactiva 26615 1004 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 1477 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1005 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 526 53 45 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 488 32 1 MOVITEL, MZ 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 11006 3338 588 Uninet S.A. de C.V., MX 9808 9351 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7781 10705 2931 AMAZON-02, US 12479 6963 1706 146 UNI2-AS, ES 7545 5937 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4540 301 593 CABLEONE, US 39891 4362 260 58 ALJAWWALSTC-AS, SA 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3904 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 9351 9304 CHINAMOBILE-CN China Mobile Communications Grou 12479 6963 6817 UNI2-AS, ES 7545 5937 5239 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7781 4850 AMAZON-02, US 39891 4362 4304 ALJAWWALSTC-AS, SA 11492 4540 3947 CABLEONE, US 8551 3904 3866 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 20940 4032 3861 AKAMAI-ASN1, NL 7552 3634 3613 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 /13:580 /14:1199 /15:2078 /16:13483 /17:8235 /18:13783 /19:24830 /20:42744 /21:50823 /22:108838 /23:96612 /24:539299 /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 6026 6963 UNI2-AS, ES 8151 5020 11006 Uninet S.A. de C.V., MX 11492 3447 4540 CABLEONE, US 8551 3369 3904 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 3354 4362 ALJAWWALSTC-AS, SA 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3689 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2221 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2044 2193 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1625 2:1231 3:168 4:5 5:4116 6:110 7:5 8:1531 9:1 11:172 12:1594 13:374 14:2320 15:286 16:79 17:369 18:419 20:243 21:4 22:188 23:6038 24:2457 25:4 27:2650 29:19 31:2498 32:100 34:8 35:98 36:1887 37:4606 38:4017 39:833 40:155 41:3957 42:1041 43:2291 44:304 45:16353 46:4170 47:374 49:1729 50:1916 51:379 52:1543 54:393 55:860 56:8 57:78 58:1676 59:1106 60:1007 61:2419 62:2632 63:1939 64:5639 65:2325 66:4900 67:3053 68:1341 69:4127 70:1254 71:656 72:2976 74:2583 75:1465 76:594 77:2379 78:1830 79:3166 80:2071 81:1684 82:1479 83:1229 84:1498 85:2962 86:742 87:1934 88:1198 89:3518 90:590 91:7647 92:1982 93:2572 94:3514 95:3794 96:1306 97:346 98:1164 99:740 100:75 101:1293 102:2551 103:30765 104:4579 105:483 106:842 107:2533 108:910 109:4365 110:2048 111:3263 112:2041 113:1467 114:1602 115:2017 116:1873 117:2543 118:2287 119:1860 120:1734 121:1044 122:2574 123:2149 124:1554 125:2278 128:1250 129:1048 130:958 131:1998 132:790 133:406 134:1893 135:298 136:893 137:922 138:2573 139:1540 140:1025 141:1478 142:1415 143:1445 144:1187 145:350 146:1886 147:1543 148:2265 149:1867 150:862 151:1130 152:1967 153:478 154:3929 155:1398 156:1647 157:1300 158:1043 159:2266 160:2567 161:1423 162:3531 163:1468 164:1685 165:1667 166:824 167:1754 168:3854 169:918 170:4585 171:884 172:3492 173:3004 174:1025 175:1157 176:3709 177:4773 178:3545 179:2144 180:2407 181:3344 182:3239 183:1932 184:2339 185:19972 186:4639 187:3929 188:4064 189:3468 190:9032 191:1431 192:10935 193:8838 194:7207 195:5105 196:3090 197:2401 198:5926 199:6080 200:7662 201:5869 202:10223 203:10004 204:4606 205:3504 206:3785 207:3362 208:4075 209:4784 210:4159 211:2390 212:4069 213:3574 214:1096 215:55 216:6589 217:2631 218:1257 219:410 220:1782 221:968 222:665 223:1970 End of report