IPv4 R&E Routing Table Report 23:05 GMT Tue 17 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: 903362 Prefixes after maximum aggregation (per Origin AS): 344262 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445071 Number of IPv4 prefixes with a valid ROA: 368791 Number of IPv4 prefixes with an invalid ROA: 1536 Number of IPv4 prefixes with no ROA: 533035 Total ASes present in the Internet Routing Table: 73916 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63472 Origin ASes announcing only one prefix: 26136 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 972 Number of instances of unregistered ASNs: 981 Number of 32-bit ASNs allocated by the RIRs: 41059 Number of 32-bit ASNs visible in the Routing Table: 34007 Prefixes from 32-bit ASNs in the Routing Table: 165896 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: 3062729216 Equivalent to 182 /8s, 141 /16s and 138 /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: 303833 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233508 Total APNIC prefixes after maximum aggregation: 68013 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228614 Unique aggregates announced from the APNIC address blocks: 97569 APNIC Region origin ASes present in the Internet Routing Table: 13158 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3816 APNIC Region transit ASes present in the Internet Routing Table: 1776 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: 8483 Number of APNIC addresses announced to Internet: 773284608 Equivalent to 46 /8s, 23 /16s and 99 /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: 266497 Total ARIN prefixes after maximum aggregation: 121256 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268008 Unique aggregates announced from the ARIN address blocks: 129666 ARIN Region origin ASes present in the Internet Routing Table: 19018 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6998 ARIN Region transit ASes present in the Internet Routing Table: 1894 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: 4717 Number of ARIN addresses announced to Internet: 1285823232 Equivalent to 76 /8s, 164 /16s and 27 /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: 255919 Total RIPE prefixes after maximum aggregation: 120256 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252655 Unique aggregates announced from the RIPE address blocks: 156423 RIPE Region origin ASes present in the Internet Routing Table: 28218 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 10984 Number of RIPE addresses announced to Internet: 719215872 Equivalent to 42 /8s, 222 /16s and 93 /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: 117381 Total LACNIC prefixes after maximum aggregation: 28265 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116555 Unique aggregates announced from the LACNIC address blocks: 48954 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2272 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: 8769 Number of LACNIC addresses announced to Internet: 176023296 Equivalent to 10 /8s, 125 /16s and 231 /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: 29085 Total AfriNIC prefixes after maximum aggregation: 5717 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37024 Unique aggregates announced from the AfriNIC address blocks: 12046 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 594 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: 1054 Number of AfriNIC addresses announced to Internet: 108092928 Equivalent to 6 /8s, 113 /16s and 94 /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 5941 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 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 7801 10708 2924 AMAZON-02, US 11492 4540 301 593 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3063 321 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3499 1320 63 SHAW, CA 16625 3450 1778 2509 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2614 24132 1590 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2571 368 354 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 6959 1706 146 UNI2-AS, ES 39891 4557 269 60 ALJAWWALSTC-AS, SA 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3906 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2677 254 1349 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1824 944 538 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 10946 3335 589 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 2214 365 598 Mega Cable, S.A. de C.V., MX 28573 1347 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 1008 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 1532 533 30 RAYA-AS, EG 24863 1470 393 21 LINKdotNET-AS, EG 36992 1332 1517 277 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 37342 494 32 1 MOVITEL, MZ 24757 485 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 10946 3335 589 Uninet S.A. de C.V., MX 9808 9351 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7801 10708 2924 AMAZON-02, US 12479 6959 1706 146 UNI2-AS, ES 7545 5941 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4557 269 60 ALJAWWALSTC-AS, SA 11492 4540 301 593 CABLEONE, US 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3906 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 6959 6813 UNI2-AS, ES 7545 5941 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7801 4877 AMAZON-02, US 39891 4557 4497 ALJAWWALSTC-AS, SA 11492 4540 3947 CABLEONE, US 8551 3906 3868 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 /16:13480 /17:8234 /18:13780 /19:24820 /20:42738 /21:50796 /22:108793 /23:96725 /24:539667 /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 6022 6959 UNI2-AS, ES 8151 4996 10946 Uninet S.A. de C.V., MX 39891 3548 4557 ALJAWWALSTC-AS, SA 11492 3447 4540 CABLEONE, US 8551 3371 3906 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3499 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2727 3690 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2228 2571 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) ---------------------------------------------- 1:1624 2:1230 3:168 4:5 5:4119 6:110 7:5 8:1521 9:1 11:172 12:1586 13:372 14:2319 15:286 16:79 17:369 18:421 20:243 21:4 22:188 23:6041 24:2457 25:4 27:2650 29:19 31:2502 32:100 34:8 35:102 36:1889 37:4605 38:4019 39:833 40:155 41:3941 42:1038 43:2292 44:304 45:16351 46:4172 47:374 49:1729 50:1912 51:379 52:1546 54:393 55:858 56:8 57:78 58:1677 59:1112 60:1006 61:2419 62:2632 63:1939 64:5638 65:2323 66:4895 67:3042 68:1344 69:4123 70:1254 71:656 72:2975 74:2583 75:1465 76:594 77:2378 78:1823 79:3168 80:2077 81:1683 82:1479 83:1229 84:1503 85:2956 86:743 87:1933 88:1200 89:3559 90:589 91:7644 92:1981 93:2586 94:3526 95:3951 96:1307 97:346 98:1164 99:740 100:75 101:1292 102:2541 103:30769 104:4585 105:483 106:843 107:2532 108:912 109:4350 110:2080 111:3292 112:2041 113:1467 114:1605 115:2019 116:1873 117:2548 118:2287 119:1885 120:1734 121:1043 122:2575 123:2148 124:1555 125:2277 128:1258 129:1048 130:958 131:1997 132:826 133:406 134:1896 135:298 136:893 137:929 138:2573 139:1542 140:1032 141:1479 142:1414 143:1450 144:1190 145:350 146:1868 147:1545 148:2273 149:1867 150:861 151:1130 152:1969 153:478 154:3896 155:1401 156:1652 157:1298 158:1043 159:2264 160:2571 161:1421 162:3533 163:1472 164:1670 165:1665 166:825 167:1749 168:3848 169:915 170:4588 171:886 172:3499 173:3006 174:1026 175:1159 176:3706 177:4724 178:3548 179:2145 180:2409 181:3350 182:3240 183:1933 184:2338 185:19971 186:4662 187:3915 188:4067 189:3460 190:9046 191:1428 192:10933 193:8841 194:7216 195:5105 196:3093 197:2410 198:5927 199:6079 200:7672 201:5860 202:10222 203:10005 204:4602 205:3508 206:3783 207:3362 208:4073 209:4790 210:4155 211:2390 212:4057 213:3587 214:1093 215:55 216:6608 217:2632 218:1257 219:410 220:1783 221:968 222:665 223:2033 End of report