IPv4 R&E Routing Table Report 23:05 GMT Wed 25 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: 903409 Prefixes after maximum aggregation (per Origin AS): 344205 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445189 Number of IPv4 prefixes with a valid ROA: 369660 Number of IPv4 prefixes with an invalid ROA: 1429 Number of IPv4 prefixes with no ROA: 532320 Total ASes present in the Internet Routing Table: 73940 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63526 Origin ASes announcing only one prefix: 26139 Transit ASes present in the Internet Routing Table: 10414 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 974 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 41113 Number of 32-bit ASNs visible in the Routing Table: 34047 Prefixes from 32-bit ASNs in the Routing Table: 166148 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3062226944 Equivalent to 182 /8s, 133 /16s and 224 /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: 303847 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233706 Total APNIC prefixes after maximum aggregation: 68072 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228826 Unique aggregates announced from the APNIC address blocks: 97877 APNIC Region origin ASes present in the Internet Routing Table: 13178 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3831 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: 8503 Number of APNIC addresses announced to Internet: 773185536 Equivalent to 46 /8s, 21 /16s and 224 /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: 266128 Total ARIN prefixes after maximum aggregation: 121048 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268070 Unique aggregates announced from the ARIN address blocks: 129738 ARIN Region origin ASes present in the Internet Routing Table: 19033 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 7004 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4718 Number of ARIN addresses announced to Internet: 1285624064 Equivalent to 76 /8s, 161 /16s and 17 /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: 255971 Total RIPE prefixes after maximum aggregation: 120355 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252454 Unique aggregates announced from the RIPE address blocks: 156130 RIPE Region origin ASes present in the Internet Routing Table: 28201 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12029 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: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10984 Number of RIPE addresses announced to Internet: 718875904 Equivalent to 42 /8s, 217 /16s and 45 /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: 117448 Total LACNIC prefixes after maximum aggregation: 28242 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116615 Unique aggregates announced from the LACNIC address blocks: 49010 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2257 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: 8776 Number of LACNIC addresses announced to Internet: 176162816 Equivalent to 10 /8s, 128 /16s and 8 /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: 29182 Total AfriNIC prefixes after maximum aggregation: 5737 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36926 Unique aggregates announced from the AfriNIC address blocks: 12010 AfriNIC Region origin ASes present in the Internet Routing Table: 1720 AfriNIC Prefixes per ASN: 21.47 AfriNIC Region origin ASes announcing only one prefix: 602 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1066 Number of AfriNIC addresses announced to Internet: 108082432 Equivalent to 6 /8s, 113 /16s and 53 /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 9437 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5925 787 704 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 3107 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2716 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 848 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 213 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 7813 10705 2908 AMAZON-02, US 11492 4530 300 605 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3691 3067 321 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3464 1779 2508 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2592 24127 1574 ATT-INTERNET4, US 396982 2584 3490 373 GOOGLE-CLOUD-PLATFORM, US 30036 2556 366 395 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 6983 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4034 3399 169 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 908 ROSTELECOM-AS, RU 9009 2697 256 1364 M247, RO 34984 2259 358 610 TELLCOM-AS, TR 6849 2196 339 19 UKRTELNET, UA 58224 1831 946 541 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 11062 3340 588 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2228 367 594 Mega Cable, S.A. de C.V., MX 28573 1353 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 742 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1134 186 465 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 1513 533 29 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1337 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 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 11062 3340 588 Uninet S.A. de C.V., MX 9808 9437 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7813 10705 2908 AMAZON-02, US 12479 6983 1706 146 UNI2-AS, ES 7545 5925 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4530 300 605 CABLEONE, US 20940 4034 3399 169 AKAMAI-ASN1, NL 8551 3909 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 9437 9390 CHINAMOBILE-CN China Mobile Communications Grou 12479 6983 6837 UNI2-AS, ES 7545 5925 5221 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7813 4905 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4530 3925 CABLEONE, US 8551 3909 3871 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4034 3865 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 /15:2077 /16:13471 /17:8234 /18:13797 /19:24825 /20:42762 /21:50816 /22:108724 /23:96781 /24:539671 /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 6051 6983 UNI2-AS, ES 8151 5073 11062 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3374 3909 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3691 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2048 2196 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1626 2:1230 3:168 4:5 5:4115 6:111 7:5 8:1521 9:1 11:172 12:1582 13:375 14:2310 15:286 16:79 17:369 18:387 20:243 21:4 22:188 23:6045 24:2497 25:4 27:2648 29:19 31:2499 32:101 34:9 35:104 36:1897 37:4585 38:4047 39:833 40:154 41:3940 42:1043 43:2300 44:302 45:16366 46:4152 47:374 49:1728 50:1885 51:380 52:1550 54:395 55:857 56:8 57:80 58:1677 59:1112 60:1005 61:2424 62:2615 63:1937 64:5648 65:2312 66:4901 67:3039 68:1339 69:4136 70:1252 71:659 72:2969 74:2584 75:1457 76:598 77:2380 78:1824 79:3175 80:2073 81:1696 82:1481 83:1229 84:1502 85:2964 86:742 87:1942 88:1209 89:3533 90:595 91:7628 92:1994 93:2580 94:3514 95:3924 96:1329 97:347 98:1160 99:739 100:75 101:1292 102:2566 103:30841 104:4581 105:483 106:847 107:2526 108:917 109:4351 110:2083 111:3296 112:2041 113:1455 114:1604 115:2017 116:1874 117:2562 118:2287 119:1879 120:1739 121:1044 122:2582 123:2145 124:1560 125:2282 128:1253 129:1049 130:971 131:1970 132:789 133:406 134:1907 135:298 136:876 137:926 138:2569 139:1545 140:1043 141:1483 142:1414 143:1483 144:1193 145:349 146:1843 147:1555 148:2266 149:1878 150:862 151:1134 152:1942 153:479 154:3927 155:1406 156:1651 157:1294 158:1039 159:2257 160:2553 161:1460 162:3533 163:1471 164:1593 165:1666 166:829 167:1755 168:3860 169:915 170:4582 171:895 172:3509 173:2981 174:1023 175:1158 176:3684 177:4661 178:3555 179:2177 180:2409 181:3364 182:3241 183:1938 184:2339 185:19991 186:4671 187:3933 188:4075 189:3527 190:9077 191:1445 192:10936 193:8810 194:7196 195:5104 196:3021 197:2402 198:5896 199:6079 200:7673 201:5870 202:10222 203:10010 204:4591 205:3492 206:3798 207:3365 208:4067 209:4802 210:4155 211:2387 212:4060 213:3556 214:1089 215:56 216:6614 217:2629 218:1257 219:400 220:1777 221:968 222:665 223:2065 End of report