IPv4 R&E Routing Table Report 23:05 GMT Mon 19 Dec, 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: 900842 Prefixes after maximum aggregation (per Origin AS): 343303 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 443441 Number of IPv4 prefixes with a valid ROA: 365104 Number of IPv4 prefixes with an invalid ROA: 1594 Number of IPv4 prefixes with no ROA: 534144 Total ASes present in the Internet Routing Table: 73722 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63323 Origin ASes announcing only one prefix: 26050 Transit ASes present in the Internet Routing Table: 10399 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1005 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 40933 Number of 32-bit ASNs visible in the Routing Table: 33807 Prefixes from 32-bit ASNs in the Routing Table: 164659 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3060306432 Equivalent to 182 /8s, 104 /16s and 146 /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: 302879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233193 Total APNIC prefixes after maximum aggregation: 67746 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228017 Unique aggregates announced from the APNIC address blocks: 97236 APNIC Region origin ASes present in the Internet Routing Table: 13085 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1755 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8399 Number of APNIC addresses announced to Internet: 773136896 Equivalent to 46 /8s, 21 /16s and 34 /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: 266249 Total ARIN prefixes after maximum aggregation: 121216 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267844 Unique aggregates announced from the ARIN address blocks: 129405 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1884 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: 4685 Number of ARIN addresses announced to Internet: 1287913728 Equivalent to 76 /8s, 196 /16s and 1 /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: 254431 Total RIPE prefixes after maximum aggregation: 119720 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251225 Unique aggregates announced from the RIPE address blocks: 155548 RIPE Region origin ASes present in the Internet Routing Table: 28119 RIPE Prefixes per ASN: 8.93 RIPE Region origin ASes announcing only one prefix: 11990 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 10905 Number of RIPE addresses announced to Internet: 714989568 Equivalent to 42 /8s, 157 /16s and 224 /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: 117239 Total LACNIC prefixes after maximum aggregation: 28183 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116561 Unique aggregates announced from the LACNIC address blocks: 48822 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: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2264 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: 8766 Number of LACNIC addresses announced to Internet: 175870464 Equivalent to 10 /8s, 123 /16s and 146 /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: 28725 Total AfriNIC prefixes after maximum aggregation: 5682 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36688 Unique aggregates announced from the AfriNIC address blocks: 12017 AfriNIC Region origin ASes present in the Internet Routing Table: 1714 AfriNIC Prefixes per ASN: 21.40 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1052 Number of AfriNIC addresses announced to Internet: 108103168 Equivalent to 6 /8s, 113 /16s and 134 /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 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5933 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2679 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2323 847 435 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2163 440 218 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 7768 10639 2902 AMAZON-02, US 11492 4544 301 567 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3694 3065 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3518 1319 65 SHAW, CA 16625 3485 1814 2516 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2607 24130 1575 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2564 368 378 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 6929 1706 146 UNI2-AS, ES 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2886 2290 906 ROSTELECOM-AS, RU 9009 2649 252 1359 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2221 339 20 UKRTELNET, UA 58224 1773 928 538 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 10907 3338 595 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2176 356 577 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1142 185 472 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 1550 537 31 RAYA-AS, EG 24863 1532 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 523 53 45 WANANCHI-, KE 37342 438 32 1 MOVITEL, MZ 24757 360 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 10907 3338 595 Uninet S.A. de C.V., MX 9808 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7768 10639 2902 AMAZON-02, US 12479 6929 1706 146 UNI2-AS, ES 7545 5933 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 567 CABLEONE, US 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4051 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3699 374 38 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 9155 9108 CHINAMOBILE-CN China Mobile Communications Grou 12479 6929 6783 UNI2-AS, ES 7545 5933 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7768 4866 AMAZON-02, US 39891 4488 4431 ALJAWWALSTC-AS, SA 11492 4544 3977 CABLEONE, US 20940 4051 3876 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 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 23.131.185.0/24 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 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 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 /13:583 /14:1195 /15:2078 /16:13477 /17:8232 /18:13774 /19:24823 /20:42844 /21:50826 /22:108659 /23:96440 /24:537441 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5977 6929 UNI2-AS, ES 8151 4896 10907 Uninet S.A. de C.V., MX 39891 3543 4488 ALJAWWALSTC-AS, SA 11492 3451 4544 CABLEONE, US 6327 3327 3518 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3694 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2223 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2071 2221 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1619 2:1215 3:168 4:5 5:4076 6:110 7:5 8:1537 9:1 11:172 12:1610 13:371 14:2364 15:287 16:76 17:372 18:404 20:243 21:4 22:188 23:5996 24:2444 25:4 27:2702 29:19 31:2493 32:108 34:8 35:95 36:1841 37:4596 38:3924 39:821 40:144 41:3922 42:1040 43:2292 44:305 45:16400 46:4192 47:372 49:1705 50:1929 51:374 52:1543 54:396 55:757 56:8 57:82 58:1678 59:1102 60:1007 61:2424 62:2601 63:1946 64:5633 65:2328 66:4904 67:3030 68:1359 69:4114 70:1256 71:655 72:2997 74:2601 75:1463 76:597 77:2311 78:1822 79:2936 80:2058 81:1685 82:1481 83:1231 84:1488 85:2997 86:737 87:1922 88:1175 89:3507 90:579 91:7605 92:1977 93:2559 94:3509 95:3882 96:1315 97:344 98:1172 99:741 100:75 101:1289 102:2515 103:30567 104:4583 105:485 106:844 107:2539 108:914 109:4306 110:2044 111:3265 112:2025 113:1484 114:1600 115:2002 116:1872 117:2472 118:2286 119:1881 120:1696 121:1036 122:2563 123:2136 124:1535 125:2257 128:1228 129:969 130:961 131:1999 132:829 133:400 134:1894 135:295 136:884 137:914 138:2578 139:1500 140:1021 141:1478 142:1410 143:1440 144:1188 145:352 146:1876 147:1511 148:2272 149:1859 150:861 151:1148 152:1955 153:475 154:3800 155:1417 156:1622 157:1292 158:1037 159:2234 160:2574 161:1429 162:3510 163:1455 164:1680 165:1640 166:821 167:1748 168:3803 169:923 170:4552 171:886 172:3532 173:3052 174:1026 175:1157 176:3617 177:4756 178:3521 179:2144 180:2397 181:3345 182:3230 183:1934 184:2364 185:19961 186:4640 187:3918 188:4047 189:3442 190:9018 191:1469 192:10973 193:8802 194:7159 195:5070 196:3062 197:2359 198:5922 199:6072 200:7655 201:5869 202:10223 203:10009 204:4602 205:3514 206:3761 207:3342 208:4101 209:4795 210:4152 211:2381 212:4039 213:3527 214:1107 215:55 216:6592 217:2628 218:1248 219:408 220:1779 221:953 222:661 223:1993 End of report