IPv4 R&E Routing Table Report 23:05 GMT Sun 09 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: 895664 Prefixes after maximum aggregation (per Origin AS): 340566 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440201 Number of IPv4 prefixes with a valid ROA: 354005 Number of IPv4 prefixes with an invalid ROA: 1793 Number of IPv4 prefixes with no ROA: 539866 Total ASes present in the Internet Routing Table: 73549 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63181 Origin ASes announcing only one prefix: 26004 Transit ASes present in the Internet Routing Table: 10368 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1032 Number of instances of unregistered ASNs: 1034 Number of 32-bit ASNs allocated by the RIRs: 40364 Number of 32-bit ASNs visible in the Routing Table: 33418 Prefixes from 32-bit ASNs in the Routing Table: 160884 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3064597760 Equivalent to 182 /8s, 170 /16s and 13 /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: 300628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231825 Total APNIC prefixes after maximum aggregation: 67064 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226702 Unique aggregates announced from the APNIC address blocks: 96454 APNIC Region origin ASes present in the Internet Routing Table: 12928 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3729 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8226 Number of APNIC addresses announced to Internet: 773313280 Equivalent to 46 /8s, 23 /16s and 211 /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: 264704 Total ARIN prefixes after maximum aggregation: 120829 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265694 Unique aggregates announced from the ARIN address blocks: 128489 ARIN Region origin ASes present in the Internet Routing Table: 19012 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1870 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: 4615 Number of ARIN addresses announced to Internet: 1290787072 Equivalent to 76 /8s, 239 /16s and 217 /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: 253232 Total RIPE prefixes after maximum aggregation: 118493 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250232 Unique aggregates announced from the RIPE address blocks: 153770 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12016 RIPE Region transit ASes present in the Internet Routing Table: 4004 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10822 Number of RIPE addresses announced to Internet: 716531712 Equivalent to 42 /8s, 181 /16s and 104 /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: 116227 Total LACNIC prefixes after maximum aggregation: 27837 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115777 Unique aggregates announced from the LACNIC address blocks: 49050 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2710 LACNIC Region transit ASes present in the Internet Routing Table: 2236 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: 8734 Number of LACNIC addresses announced to Internet: 175898368 Equivalent to 10 /8s, 123 /16s and 255 /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: 28644 Total AfriNIC prefixes after maximum aggregation: 5571 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36766 Unique aggregates announced from the AfriNIC address blocks: 12026 AfriNIC Region origin ASes present in the Internet Routing Table: 1689 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 594 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: 1021 Number of AfriNIC addresses announced to Internet: 107787776 Equivalent to 6 /8s, 108 /16s and 182 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2458 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2287 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2232 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2134 425 218 TATACOMM-AS TATA Communications formerl 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 7314 10558 2848 AMAZON-02, US 11492 4591 304 541 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3772 3066 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2599 367 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 393 CENTURYLINK-US-LEGACY-QWEST, 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 6877 1730 144 UNI2-AS, ES 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2614 252 1341 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2252 358 626 TELLCOM-AS, TR 58224 1796 936 535 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 10849 3334 593 Uninet S.A. de C.V., MX 10620 3473 510 840 Telmex Colombia S.A., CO 11830 2304 369 64 Instituto Costarricense de Electricidad 13999 2052 334 531 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1146 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1568 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1006 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 401 232 16 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 10849 3334 593 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7314 10558 2848 AMAZON-02, US 12479 6877 1730 144 UNI2-AS, ES 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4591 304 541 CABLEONE, US 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6877 6733 UNI2-AS, ES 7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7314 4466 AMAZON-02, US 11492 4591 4050 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4099 3925 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /12:295 /13:586 /14:1194 /15:2078 /16:13470 /17:8288 /18:13819 /19:24787 /20:43070 /21:50814 /22:108003 /23:95834 /24:533252 /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 5884 6877 UNI2-AS, ES 8151 4733 10849 Uninet S.A. de C.V., MX 11492 3499 4591 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2785 3772 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1893 2:1028 3:166 4:5 5:3925 6:116 7:6 8:1558 9:1 11:173 12:1624 13:336 14:2366 15:267 16:68 17:362 18:332 20:240 21:4 22:188 23:5941 24:2451 25:6 27:2666 29:19 31:2447 32:91 34:7 35:90 36:1890 37:4492 38:3649 39:753 40:158 41:3926 42:1167 43:2250 44:291 45:16185 46:4184 47:376 49:1706 50:1934 51:242 52:1491 54:387 55:849 56:8 57:77 58:1723 59:1111 60:990 61:2366 62:2552 63:1918 64:5593 65:2311 66:4829 67:2953 68:1203 69:4161 70:1306 71:678 72:2989 74:2644 75:1476 76:592 77:2230 78:1818 79:3143 80:2048 81:1651 82:1514 83:1214 84:1401 85:2937 86:733 87:1908 88:1166 89:3405 90:542 91:7585 92:2049 93:2543 94:3519 95:3848 96:1340 97:343 98:1032 99:736 100:77 101:1295 102:2338 103:30164 104:4547 105:474 106:887 107:2536 108:895 109:4330 110:2016 111:3276 112:2043 113:1477 114:1510 115:1988 116:1888 117:2485 118:2324 119:1846 120:1707 121:1011 122:2540 123:2099 124:1521 125:2111 128:1184 129:969 130:961 131:2013 132:815 133:377 134:1899 135:295 136:871 137:885 138:2539 139:1514 140:1091 141:1482 142:1406 143:1405 144:1196 145:347 146:1850 147:1523 148:2230 149:1796 150:875 151:1115 152:1939 153:468 154:3880 155:1425 156:1681 157:1300 158:1042 159:2175 160:2548 161:1359 162:3509 163:1424 164:1671 165:1664 166:781 167:1725 168:3799 169:876 170:4564 171:853 172:3431 173:3100 174:1014 175:1150 176:3585 177:4748 178:3567 179:2115 180:2365 181:3254 182:3192 183:1940 184:2352 185:19774 186:4594 187:3947 188:4024 189:3447 190:8964 191:1447 192:10981 193:8712 194:7143 195:5034 196:3062 197:2454 198:5950 199:6027 200:7577 201:5798 202:10138 203:10006 204:4514 205:3482 206:3805 207:3379 208:4030 209:4730 210:4119 211:2328 212:3993 213:3547 214:1114 215:54 216:6395 217:2636 218:1269 219:404 220:1785 221:921 222:650 223:2008 End of report