IPv4 R&E Routing Table Report 23:05 GMT Sat 29 Oct, 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: 898006 Prefixes after maximum aggregation (per Origin AS): 341578 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440766 Number of IPv4 prefixes with a valid ROA: 358120 Number of IPv4 prefixes with an invalid ROA: 1696 Number of IPv4 prefixes with no ROA: 538190 Total ASes present in the Internet Routing Table: 73585 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63253 Origin ASes announcing only one prefix: 25991 Transit ASes present in the Internet Routing Table: 10332 Transit-only ASes present in the Internet Routing Table: 407 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: 1055 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 40515 Number of 32-bit ASNs visible in the Routing Table: 33546 Prefixes from 32-bit ASNs in the Routing Table: 161830 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3063250176 Equivalent to 182 /8s, 149 /16s and 125 /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: 302107 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232206 Total APNIC prefixes after maximum aggregation: 67269 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227189 Unique aggregates announced from the APNIC address blocks: 96743 APNIC Region origin ASes present in the Internet Routing Table: 12972 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3735 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8275 Number of APNIC addresses announced to Internet: 773079040 Equivalent to 46 /8s, 20 /16s and 64 /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: 265635 Total ARIN prefixes after maximum aggregation: 120990 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266938 Unique aggregates announced from the ARIN address blocks: 128790 ARIN Region origin ASes present in the Internet Routing Table: 19011 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1862 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: 4650 Number of ARIN addresses announced to Internet: 1289755648 Equivalent to 76 /8s, 224 /16s and 28 /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: 253933 Total RIPE prefixes after maximum aggregation: 119090 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250711 Unique aggregates announced from the RIPE address blocks: 154518 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 3978 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10854 Number of RIPE addresses announced to Internet: 716345088 Equivalent to 42 /8s, 178 /16s and 143 /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: 116433 Total LACNIC prefixes after maximum aggregation: 27881 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115912 Unique aggregates announced from the LACNIC address blocks: 48385 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8741 Number of LACNIC addresses announced to Internet: 175847424 Equivalent to 10 /8s, 123 /16s and 56 /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: 28744 Total AfriNIC prefixes after maximum aggregation: 5576 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36737 Unique aggregates announced from the AfriNIC address blocks: 11908 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1026 Number of AfriNIC addresses announced to Internet: 107924736 Equivalent to 6 /8s, 110 /16s and 205 /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 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5935 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3614 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3388 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2493 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11250 594 KIXS-AS-KR Korea Telecom, KR 24560 2243 851 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2153 426 222 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 7452 10589 2886 AMAZON-02, US 11492 4629 306 500 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3757 3061 340 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3537 1845 2540 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2616 24154 1583 ATT-INTERNET4, US 30036 2606 372 243 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2558 3480 349 GOOGLE-CLOUD-PLATFORM, 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 6919 1730 144 UNI2-AS, ES 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2623 252 1347 M247, RO 6849 2439 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1771 929 542 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 10857 3314 606 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2094 341 544 Mega Cable, S.A. de C.V., MX 28573 1334 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1093 182 467 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 989 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 24863 1569 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10857 3314 606 Uninet S.A. de C.V., MX 9808 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7452 10589 2886 AMAZON-02, US 12479 6919 1730 144 UNI2-AS, ES 7545 5935 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 306 500 CABLEONE, US 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9065 9018 CHINAMOBILE-CN China Mobile Communications Grou 12479 6919 6775 UNI2-AS, ES 7545 5935 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7452 4566 AMAZON-02, US 11492 4629 4129 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4096 3922 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3614 3594 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, US 24.48.136.0/22 Origin: 40396 UNASSIGNED 24.48.136.0/22 Transit: 23314 ORLANDOTELCO, 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 /12:294 /13:586 /14:1197 /15:2077 /16:13435 /17:8282 /18:13845 /19:24828 /20:43047 /21:50757 /22:108444 /23:96199 /24:534841 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5926 6919 UNI2-AS, ES 8151 4819 10857 Uninet S.A. de C.V., MX 11492 3535 4629 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3516 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3898 VIASAT-SP-BACKBONE, US 22773 2784 3757 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2302 2439 UKRTELNET, UA 30036 2261 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1888 2:1010 3:167 4:5 5:4007 6:115 7:5 8:1559 9:1 11:173 12:1621 13:354 14:2368 15:277 16:69 17:359 18:347 20:241 21:4 22:188 23:5966 24:2462 25:6 27:2710 29:19 31:2460 32:91 34:7 35:92 36:1824 37:4475 38:3726 39:754 40:159 41:3930 42:1167 43:2272 44:296 45:16269 46:4190 47:367 49:1706 50:1928 51:244 52:1500 54:399 55:827 56:8 57:79 58:1720 59:1111 60:996 61:2398 62:2577 63:1967 64:5589 65:2329 66:4832 67:2981 68:1376 69:4140 70:1297 71:677 72:2990 74:2642 75:1473 76:597 77:2244 78:1823 79:3145 80:2051 81:1680 82:1522 83:1217 84:1420 85:2953 86:729 87:1918 88:1168 89:3425 90:549 91:7590 92:2064 93:2546 94:3543 95:3875 96:1351 97:346 98:1169 99:739 100:69 101:1298 102:2378 103:30283 104:4501 105:476 106:889 107:2534 108:896 109:4321 110:2010 111:3282 112:2047 113:1485 114:1515 115:1994 116:1887 117:2476 118:2324 119:1836 120:1700 121:1021 122:2554 123:2101 124:1511 125:2118 128:1204 129:969 130:967 131:2007 132:819 133:379 134:1904 135:288 136:874 137:901 138:2502 139:1513 140:1122 141:1472 142:1390 143:1399 144:1175 145:352 146:1860 147:1525 148:2241 149:1832 150:873 151:1136 152:1947 153:469 154:3809 155:1425 156:1639 157:1300 158:1043 159:2203 160:2564 161:1381 162:3494 163:1427 164:1674 165:1675 166:803 167:1723 168:3775 169:901 170:4534 171:847 172:3465 173:3107 174:1038 175:1165 176:3583 177:4773 178:3529 179:2115 180:2370 181:3307 182:3199 183:1947 184:2355 185:19856 186:4544 187:3949 188:4037 189:3474 190:8962 191:1449 192:10969 193:8745 194:7158 195:5075 196:3059 197:2462 198:5939 199:6043 200:7529 201:5816 202:10138 203:10016 204:4592 205:3478 206:3823 207:3365 208:4071 209:4762 210:4125 211:2328 212:4017 213:3571 214:1073 215:53 216:6465 217:2636 218:1267 219:409 220:1785 221:922 222:655 223:1978 End of report