IPv4 R&E Routing Table Report 23:05 GMT Sun 01 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: 901763 Prefixes after maximum aggregation (per Origin AS): 343897 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444439 Number of IPv4 prefixes with a valid ROA: 366054 Number of IPv4 prefixes with an invalid ROA: 1495 Number of IPv4 prefixes with no ROA: 534214 Total ASes present in the Internet Routing Table: 73817 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63386 Origin ASes announcing only one prefix: 26113 Transit ASes present in the Internet Routing Table: 10431 Transit-only ASes present in the Internet Routing Table: 415 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 1008 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 41005 Number of 32-bit ASNs visible in the Routing Table: 33887 Prefixes from 32-bit ASNs in the Routing Table: 164954 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3064734208 Equivalent to 182 /8s, 172 /16s and 34 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 303330 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233219 Total APNIC prefixes after maximum aggregation: 67905 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228066 Unique aggregates announced from the APNIC address blocks: 97357 APNIC Region origin ASes present in the Internet Routing Table: 13120 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3836 APNIC Region transit ASes present in the Internet Routing Table: 1768 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8437 Number of APNIC addresses announced to Internet: 773200128 Equivalent to 46 /8s, 22 /16s and 25 /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: 266390 Total ARIN prefixes after maximum aggregation: 121304 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267949 Unique aggregates announced from the ARIN address blocks: 129490 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4689 Number of ARIN addresses announced to Internet: 1287816448 Equivalent to 76 /8s, 194 /16s and 133 /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: 255193 Total RIPE prefixes after maximum aggregation: 120014 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251985 Unique aggregates announced from the RIPE address blocks: 156188 RIPE Region origin ASes present in the Internet Routing Table: 28189 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3998 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: 10942 Number of RIPE addresses announced to Internet: 719455744 Equivalent to 42 /8s, 226 /16s and 6 /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: 117237 Total LACNIC prefixes after maximum aggregation: 28201 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116484 Unique aggregates announced from the LACNIC address blocks: 48928 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2672 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: 8766 Number of LACNIC addresses announced to Internet: 175942656 Equivalent to 10 /8s, 124 /16s and 172 /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: 28716 Total AfriNIC prefixes after maximum aggregation: 5719 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 36768 Unique aggregates announced from the AfriNIC address blocks: 12064 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1053 Number of AfriNIC addresses announced to Internet: 108024320 Equivalent to 6 /8s, 112 /16s and 82 /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 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2681 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 848 439 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2163 440 215 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 7757 10638 2926 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3684 3062 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3457 1790 2507 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 7018 2626 24134 1591 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 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 6946 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4039 3399 175 AKAMAI-ASN1, NL 8551 3701 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 908 ROSTELECOM-AS, RU 9009 2641 251 1353 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1800 942 530 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 10937 3340 591 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 2198 360 590 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1152 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 466 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 1538 535 31 RAYA-AS, EG 24863 1444 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 367 319 72 TENET-1, ZA 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 10937 3340 591 Uninet S.A. de C.V., MX 9808 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7757 10638 2926 AMAZON-02, US 12479 6946 1706 146 UNI2-AS, ES 7545 5944 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4039 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3701 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 9218 9171 CHINAMOBILE-CN China Mobile Communications Grou 12479 6946 6800 UNI2-AS, ES 7545 5944 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7757 4831 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4039 3864 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3701 3663 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /12:296 /13:585 /14:1198 /15:2078 /16:13484 /17:8236 /18:13782 /19:24813 /20:42861 /21:50839 /22:108668 /23:96528 /24:538218 /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 5993 6946 UNI2-AS, ES 8151 4923 10937 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3166 3701 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2721 3684 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1621 2:1221 3:168 4:5 5:4107 6:110 7:5 8:1534 9:1 11:172 12:1593 13:372 14:2361 15:282 16:76 17:370 18:410 20:243 21:4 22:188 23:6001 24:2449 25:4 27:2647 29:19 31:2496 32:102 34:8 35:95 36:1847 37:4592 38:3990 39:821 40:144 41:3917 42:1043 43:2294 44:304 45:16422 46:4216 47:372 49:1708 50:1929 51:374 52:1541 54:396 55:826 56:8 57:81 58:1681 59:1105 60:1005 61:2427 62:2593 63:1933 64:5629 65:2322 66:4892 67:3038 68:1362 69:4124 70:1253 71:655 72:2991 74:2585 75:1465 76:594 77:2355 78:1833 79:2947 80:2066 81:1682 82:1479 83:1227 84:1498 85:2964 86:739 87:1925 88:1194 89:3524 90:587 91:7633 92:1976 93:2565 94:3508 95:3910 96:1315 97:344 98:1175 99:741 100:75 101:1292 102:2540 103:30629 104:4592 105:484 106:846 107:2544 108:908 109:4390 110:2041 111:3270 112:2022 113:1487 114:1597 115:2014 116:1864 117:2475 118:2286 119:1860 120:1697 121:1040 122:2576 123:2138 124:1533 125:2257 128:1235 129:1047 130:961 131:1997 132:829 133:404 134:1893 135:296 136:885 137:913 138:2589 139:1500 140:1019 141:1484 142:1411 143:1435 144:1187 145:352 146:1875 147:1535 148:2276 149:1848 150:858 151:1136 152:1964 153:476 154:3823 155:1409 156:1642 157:1300 158:1043 159:2249 160:2571 161:1429 162:3536 163:1476 164:1672 165:1661 166:824 167:1749 168:3836 169:917 170:4566 171:887 172:3505 173:3056 174:1024 175:1158 176:3670 177:4762 178:3523 179:2146 180:2408 181:3354 182:3240 183:1883 184:2362 185:19949 186:4636 187:3915 188:4078 189:3426 190:9002 191:1467 192:10939 193:8821 194:7187 195:5081 196:3055 197:2396 198:5927 199:6086 200:7643 201:5865 202:10226 203:10001 204:4594 205:3476 206:3775 207:3350 208:4096 209:4804 210:4153 211:2381 212:4056 213:3544 214:1101 215:55 216:6585 217:2637 218:1250 219:409 220:1780 221:959 222:663 223:1977 End of report