IPv4 R&E Routing Table Report 23:05 GMT Thu 27 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: 897663 Prefixes after maximum aggregation (per Origin AS): 341380 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440672 Number of IPv4 prefixes with a valid ROA: 357762 Number of IPv4 prefixes with an invalid ROA: 1685 Number of IPv4 prefixes with no ROA: 538216 Total ASes present in the Internet Routing Table: 73588 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63249 Origin ASes announcing only one prefix: 25981 Transit ASes present in the Internet Routing Table: 10339 Transit-only ASes present in the Internet Routing Table: 409 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: 1055 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 40498 Number of 32-bit ASNs visible in the Routing Table: 33540 Prefixes from 32-bit ASNs in the Routing Table: 161854 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3063254016 Equivalent to 182 /8s, 149 /16s and 140 /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: 301832 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232224 Total APNIC prefixes after maximum aggregation: 67254 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227245 Unique aggregates announced from the APNIC address blocks: 96778 APNIC Region origin ASes present in the Internet Routing Table: 12981 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3730 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8280 Number of APNIC addresses announced to Internet: 773133312 Equivalent to 46 /8s, 21 /16s and 20 /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: 265540 Total ARIN prefixes after maximum aggregation: 120796 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266797 Unique aggregates announced from the ARIN address blocks: 128816 ARIN Region origin ASes present in the Internet Routing Table: 19006 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1864 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: 4648 Number of ARIN addresses announced to Internet: 1289804544 Equivalent to 76 /8s, 224 /16s and 219 /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: 253761 Total RIPE prefixes after maximum aggregation: 119114 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250564 Unique aggregates announced from the RIPE address blocks: 154400 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: 11994 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10854 Number of RIPE addresses announced to Internet: 716278016 Equivalent to 42 /8s, 177 /16s and 137 /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: 116329 Total LACNIC prefixes after maximum aggregation: 27858 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115807 Unique aggregates announced from the LACNIC address blocks: 48368 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2701 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: 8735 Number of LACNIC addresses announced to Internet: 175863808 Equivalent to 10 /8s, 123 /16s and 120 /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: 28754 Total AfriNIC prefixes after maximum aggregation: 5584 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36726 Unique aggregates announced from the AfriNIC address blocks: 11887 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 591 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: 1023 Number of AfriNIC addresses announced to Internet: 107875072 Equivalent to 6 /8s, 110 /16s and 11 /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 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5935 786 695 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 3385 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 2152 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 7455 10590 2891 AMAZON-02, US 11492 4629 306 513 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3729 3058 321 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3552 1855 2542 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2619 24150 1585 ATT-INTERNET4, US 30036 2607 372 236 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 6916 1730 144 UNI2-AS, ES 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2620 252 1346 M247, RO 6849 2439 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1698 912 635 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 10850 3314 606 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2088 339 540 Mega Cable, S.A. de C.V., MX 28573 1335 2329 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1090 181 467 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 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 1575 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 492 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 10850 3314 606 Uninet S.A. de C.V., MX 9808 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7455 10590 2891 AMAZON-02, US 12479 6916 1730 144 UNI2-AS, ES 7545 5935 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 306 513 CABLEONE, US 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 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 9062 9015 CHINAMOBILE-CN China Mobile Communications Grou 12479 6916 6772 UNI2-AS, ES 7545 5935 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7455 4564 AMAZON-02, US 11492 4629 4116 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3979 3941 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 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 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 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 /16:13448 /17:8283 /18:13843 /19:24832 /20:43032 /21:50734 /22:108337 /23:96066 /24:534760 /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 5923 6916 UNI2-AS, ES 8151 4812 10850 Uninet S.A. de C.V., MX 11492 3535 4629 CABLEONE, US 8551 3443 3979 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 2765 3729 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2302 2439 UKRTELNET, UA 30036 2262 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1018 3:166 4:5 5:4006 6:116 7:5 8:1557 9:1 11:173 12:1621 13:355 14:2368 15:276 16:69 17:358 18:347 20:241 21:4 22:188 23:5967 24:2461 25:6 27:2715 29:19 31:2451 32:91 34:7 35:92 36:1822 37:4497 38:3724 39:754 40:159 41:3941 42:1168 43:2276 44:297 45:16229 46:4189 47:367 49:1706 50:1927 51:244 52:1500 54:398 55:845 56:8 57:79 58:1721 59:1111 60:996 61:2383 62:2574 63:1966 64:5610 65:2324 66:4826 67:2974 68:1375 69:4142 70:1298 71:677 72:2991 74:2642 75:1472 76:597 77:2245 78:1824 79:3149 80:2052 81:1675 82:1521 83:1214 84:1416 85:2949 86:729 87:1917 88:1168 89:3418 90:549 91:7593 92:2067 93:2542 94:3538 95:3871 96:1354 97:345 98:1169 99:739 100:70 101:1297 102:2363 103:30304 104:4506 105:476 106:889 107:2536 108:894 109:4322 110:2009 111:3281 112:2048 113:1484 114:1514 115:1994 116:1890 117:2477 118:2324 119:1837 120:1699 121:1021 122:2554 123:2108 124:1510 125:2116 128:1203 129:974 130:965 131:2009 132:826 133:379 134:1905 135:289 136:875 137:899 138:2501 139:1514 140:1121 141:1469 142:1388 143:1401 144:1199 145:352 146:1859 147:1530 148:2242 149:1831 150:873 151:1134 152:1948 153:469 154:3802 155:1424 156:1635 157:1303 158:1043 159:2197 160:2572 161:1382 162:3492 163:1434 164:1673 165:1650 166:801 167:1729 168:3746 169:896 170:4546 171:848 172:3465 173:3103 174:1039 175:1156 176:3580 177:4761 178:3525 179:2099 180:2369 181:3295 182:3197 183:1946 184:2351 185:19837 186:4539 187:3959 188:4036 189:3461 190:8961 191:1443 192:10963 193:8743 194:7154 195:5072 196:3067 197:2468 198:5942 199:6039 200:7513 201:5826 202:10134 203:10020 204:4590 205:3482 206:3823 207:3382 208:4071 209:4775 210:4126 211:2328 212:4019 213:3573 214:1083 215:53 216:6473 217:2619 218:1269 219:409 220:1785 221:922 222:655 223:1983 End of report