IPv4 R&E Routing Table Report 23:05 GMT Sun 18 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: 901280 Prefixes after maximum aggregation (per Origin AS): 343409 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 443582 Number of IPv4 prefixes with a valid ROA: 365361 Number of IPv4 prefixes with an invalid ROA: 1533 Number of IPv4 prefixes with no ROA: 534386 Total ASes present in the Internet Routing Table: 73737 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63352 Origin ASes announcing only one prefix: 26061 Transit ASes present in the Internet Routing Table: 10385 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 28 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: 40931 Number of 32-bit ASNs visible in the Routing Table: 33804 Prefixes from 32-bit ASNs in the Routing Table: 164696 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: 3060382720 Equivalent to 182 /8s, 105 /16s and 188 /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: 302993 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233205 Total APNIC prefixes after maximum aggregation: 67716 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228078 Unique aggregates announced from the APNIC address blocks: 97250 APNIC Region origin ASes present in the Internet Routing Table: 13081 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3815 APNIC Region transit ASes present in the Internet Routing Table: 1753 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: 8400 Number of APNIC addresses announced to Internet: 773139200 Equivalent to 46 /8s, 21 /16s and 43 /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: 266463 Total ARIN prefixes after maximum aggregation: 121282 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268059 Unique aggregates announced from the ARIN address blocks: 129396 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1881 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: 4688 Number of ARIN addresses announced to Internet: 1287917312 Equivalent to 76 /8s, 196 /16s and 15 /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: 254739 Total RIPE prefixes after maximum aggregation: 119812 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251511 Unique aggregates announced from the RIPE address blocks: 155694 RIPE Region origin ASes present in the Internet Routing Table: 28139 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 10906 Number of RIPE addresses announced to Internet: 715133696 Equivalent to 42 /8s, 160 /16s and 19 /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: 117174 Total LACNIC prefixes after maximum aggregation: 28173 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116496 Unique aggregates announced from the LACNIC address blocks: 48824 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2258 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: 8763 Number of LACNIC addresses announced to Internet: 175859712 Equivalent to 10 /8s, 123 /16s and 104 /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: 28694 Total AfriNIC prefixes after maximum aggregation: 5671 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36629 Unique aggregates announced from the AfriNIC address blocks: 12005 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.45 AfriNIC Region origin ASes announcing only one prefix: 598 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1047 Number of AfriNIC addresses announced to Internet: 108040192 Equivalent to 6 /8s, 112 /16s and 144 /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 9156 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 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 2321 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7756 10640 2919 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3701 3067 330 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3499 1823 2522 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 6937 1706 146 UNI2-AS, ES 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4066 3399 175 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 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 1774 930 538 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 10900 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 2175 356 576 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 1137 184 473 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 1528 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 436 32 1 MOVITEL, MZ 24757 367 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 10900 3338 595 Uninet S.A. de C.V., MX 9808 9156 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7756 10640 2919 AMAZON-02, US 12479 6937 1706 146 UNI2-AS, ES 7545 5931 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4545 301 564 CABLEONE, US 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4066 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3701 3067 330 ASN-CXA-ALL-CCI-22773-RDC, 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 9156 9109 CHINAMOBILE-CN China Mobile Communications Grou 12479 6937 6791 UNI2-AS, ES 7545 5931 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7756 4837 AMAZON-02, US 39891 4488 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4066 3891 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 /13:585 /14:1196 /15:2078 /16:13479 /17:8236 /18:13771 /19:24830 /20:42858 /21:50839 /22:108679 /23:96462 /24:537797 /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 5980 6937 UNI2-AS, ES 8151 4890 10900 Uninet S.A. de C.V., MX 39891 3543 4488 ALJAWWALSTC-AS, SA 11492 3452 4545 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2728 3701 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) ---------------------------------------------- 1:1640 2:1218 3:168 4:5 5:4056 6:110 7:5 8:1538 9:1 11:172 12:1611 13:372 14:2362 15:287 16:76 17:372 18:405 20:243 21:4 22:188 23:5997 24:2443 25:4 27:2700 29:19 31:2497 32:107 34:8 35:95 36:1841 37:4618 38:3920 39:821 40:144 41:3921 42:1070 43:2291 44:306 45:16394 46:4196 47:373 49:1705 50:1933 51:374 52:1527 54:395 55:824 56:8 57:82 58:1708 59:1101 60:1006 61:2424 62:2596 63:1947 64:5637 65:2324 66:4902 67:3031 68:1361 69:4132 70:1256 71:654 72:2994 74:2600 75:1463 76:595 77:2314 78:1822 79:2941 80:2066 81:1687 82:1481 83:1231 84:1498 85:3001 86:738 87:1926 88:1176 89:3507 90:579 91:7603 92:1973 93:2563 94:3526 95:3882 96:1316 97:344 98:1172 99:740 100:75 101:1287 102:2521 103:30575 104:4594 105:485 106:844 107:2547 108:914 109:4326 110:2044 111:3264 112:2026 113:1494 114:1600 115:2010 116:1871 117:2471 118:2289 119:1880 120:1696 121:1035 122:2563 123:2135 124:1535 125:2253 128:1234 129:968 130:961 131:1999 132:832 133:400 134:1895 135:295 136:885 137:916 138:2587 139:1499 140:1020 141:1480 142:1411 143:1442 144:1190 145:352 146:1879 147:1509 148:2269 149:1864 150:861 151:1147 152:1959 153:472 154:3772 155:1415 156:1623 157:1292 158:1042 159:2235 160:2573 161:1431 162:3519 163:1458 164:1677 165:1635 166:820 167:1749 168:3824 169:922 170:4572 171:885 172:3532 173:3054 174:1026 175:1157 176:3616 177:4749 178:3530 179:2137 180:2397 181:3345 182:3229 183:1934 184:2361 185:19983 186:4636 187:3913 188:4065 189:3439 190:9020 191:1471 192:10980 193:8793 194:7166 195:5084 196:3061 197:2344 198:5941 199:6076 200:7648 201:5851 202:10222 203:10003 204:4600 205:3514 206:3760 207:3345 208:4099 209:4797 210:4152 211:2382 212:4036 213:3545 214:1106 215:55 216:6596 217:2637 218:1248 219:409 220:1780 221:953 222:661 223:1992 End of report