IPv4 R&E Routing Table Report 23:05 GMT Thu 02 Feb, 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: 903296 Prefixes after maximum aggregation (per Origin AS): 344354 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445517 Number of IPv4 prefixes with a valid ROA: 370934 Number of IPv4 prefixes with an invalid ROA: 1506 Number of IPv4 prefixes with no ROA: 530856 Total ASes present in the Internet Routing Table: 73907 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63502 Origin ASes announcing only one prefix: 26123 Transit ASes present in the Internet Routing Table: 10405 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 950 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 41170 Number of 32-bit ASNs visible in the Routing Table: 34055 Prefixes from 32-bit ASNs in the Routing Table: 166200 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: 514 Number of addresses announced to Internet: 3061532416 Equivalent to 182 /8s, 123 /16s and 71 /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: 303692 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233826 Total APNIC prefixes after maximum aggregation: 68083 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228898 Unique aggregates announced from the APNIC address blocks: 97708 APNIC Region origin ASes present in the Internet Routing Table: 13166 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3820 APNIC Region transit ASes present in the Internet Routing Table: 1761 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8494 Number of APNIC addresses announced to Internet: 772978432 Equivalent to 46 /8s, 18 /16s and 183 /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: 265976 Total ARIN prefixes after maximum aggregation: 120947 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267900 Unique aggregates announced from the ARIN address blocks: 129972 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: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4723 Number of ARIN addresses announced to Internet: 1285544448 Equivalent to 76 /8s, 159 /16s and 218 /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: 256103 Total RIPE prefixes after maximum aggregation: 120568 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252545 Unique aggregates announced from the RIPE address blocks: 156254 RIPE Region origin ASes present in the Internet Routing Table: 28202 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3974 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10995 Number of RIPE addresses announced to Internet: 718450432 Equivalent to 42 /8s, 210 /16s and 175 /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: 117419 Total LACNIC prefixes after maximum aggregation: 28288 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116597 Unique aggregates announced from the LACNIC address blocks: 49132 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2668 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: 8776 Number of LACNIC addresses announced to Internet: 176171008 Equivalent to 10 /8s, 128 /16s and 40 /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: 29022 Total AfriNIC prefixes after maximum aggregation: 5738 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36842 Unique aggregates announced from the AfriNIC address blocks: 12034 AfriNIC Region origin ASes present in the Internet Routing Table: 1720 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1067 Number of AfriNIC addresses announced to Internet: 108076544 Equivalent to 6 /8s, 113 /16s and 30 /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 9441 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5877 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3244 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2723 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 847 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 213 TATACOMM-AS TATA Communications formerl 45090 2148 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 7878 10721 2911 AMAZON-02, US 11492 4532 300 602 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3657 3065 293 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3501 1320 63 SHAW, CA 16625 3310 1678 2420 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2590 3496 366 GOOGLE-CLOUD-PLATFORM, US 7018 2587 24128 1569 ATT-INTERNET4, US 30036 2566 367 356 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 6988 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4035 3399 169 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2706 257 1373 M247, RO 34984 2258 358 609 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, UA 58224 1837 946 556 TCI, IR 13188 1607 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 11097 3342 582 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2236 371 603 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 369 22 Telefonica del Peru S.A.A., PE 11664 1105 181 462 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1539 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1347 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 996 67 53 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 548 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 391 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 11097 3342 582 Uninet S.A. de C.V., MX 9808 9441 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7878 10721 2911 AMAZON-02, US 12479 6988 1706 146 UNI2-AS, ES 7545 5877 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4532 300 602 CABLEONE, US 20940 4035 3399 169 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3891 370 37 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 9441 9394 CHINAMOBILE-CN China Mobile Communications Grou 12479 6988 6842 UNI2-AS, ES 7545 5877 5173 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7878 4967 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4532 3930 CABLEONE, US 20940 4035 3866 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3891 3854 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3638 3617 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 /13:578 /14:1198 /15:2076 /16:13464 /17:8228 /18:13770 /19:24795 /20:42783 /21:50809 /22:108728 /23:96726 /24:539669 /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 6988 UNI2-AS, ES 8151 5108 11097 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3447 4532 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3309 3501 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2707 3657 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2223 2566 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2049 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1629 2:1222 3:168 4:5 5:4242 6:112 7:5 8:1514 9:1 11:172 12:1588 13:376 14:2328 15:290 16:79 17:365 18:395 20:243 21:4 22:188 23:6045 24:2483 25:4 27:2641 29:19 31:2501 32:106 34:9 35:104 36:1907 37:4587 38:4041 39:836 40:154 41:3941 42:1047 43:2302 44:301 45:16391 46:4110 47:373 49:1732 50:1834 51:382 52:1551 54:395 55:858 56:8 57:79 58:1676 59:1108 60:993 61:2424 62:2617 63:1932 64:5654 65:2313 66:4908 67:3041 68:1348 69:4138 70:1252 71:660 72:2967 74:2587 75:1457 76:598 77:2393 78:1825 79:3168 80:2078 81:1703 82:1482 83:1238 84:1485 85:2991 86:745 87:1948 88:1208 89:3543 90:595 91:7639 92:1998 93:2581 94:3514 95:3923 96:1326 97:346 98:1159 99:741 100:75 101:1299 102:2569 103:30801 104:4563 105:484 106:847 107:2505 108:911 109:4358 110:2072 111:3292 112:2039 113:1473 114:1606 115:2013 116:1875 117:2556 118:2290 119:1872 120:1739 121:1050 122:2584 123:2137 124:1557 125:2289 128:1247 129:1047 130:972 131:1982 132:827 133:406 134:1907 135:297 136:865 137:927 138:2565 139:1546 140:1176 141:1465 142:1414 143:1496 144:1196 145:351 146:1854 147:1551 148:2268 149:1882 150:868 151:1139 152:1947 153:480 154:3896 155:1400 156:1655 157:1293 158:1010 159:2264 160:2547 161:1464 162:3508 163:1477 164:1605 165:1670 166:836 167:1748 168:3860 169:916 170:4572 171:881 172:3492 173:2956 174:1023 175:1166 176:3659 177:4593 178:3550 179:2148 180:2397 181:3369 182:3240 183:1937 184:2339 185:19984 186:4677 187:3929 188:4054 189:3491 190:9076 191:1442 192:10938 193:8801 194:7223 195:5107 196:3070 197:2408 198:5888 199:6085 200:7673 201:5870 202:10214 203:10006 204:4591 205:3516 206:3791 207:3351 208:4067 209:4793 210:4160 211:2386 212:4076 213:3536 214:1094 215:56 216:6591 217:2639 218:1256 219:400 220:1772 221:968 222:664 223:2055 End of report