IPv4 R&E Routing Table Report 23:05 GMT Fri 06 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: 902532 Prefixes after maximum aggregation (per Origin AS): 344192 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444790 Number of IPv4 prefixes with a valid ROA: 367113 Number of IPv4 prefixes with an invalid ROA: 1535 Number of IPv4 prefixes with no ROA: 533884 Total ASes present in the Internet Routing Table: 73855 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63416 Origin ASes announcing only one prefix: 26128 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 993 Number of instances of unregistered ASNs: 1002 Number of 32-bit ASNs allocated by the RIRs: 41026 Number of 32-bit ASNs visible in the Routing Table: 33936 Prefixes from 32-bit ASNs in the Routing Table: 165336 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3062426624 Equivalent to 182 /8s, 136 /16s and 236 /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: 303642 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233281 Total APNIC prefixes after maximum aggregation: 67975 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228159 Unique aggregates announced from the APNIC address blocks: 97529 APNIC Region origin ASes present in the Internet Routing Table: 13137 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3835 APNIC Region transit ASes present in the Internet Routing Table: 1769 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8460 Number of APNIC addresses announced to Internet: 773249280 Equivalent to 46 /8s, 22 /16s and 217 /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: 266466 Total ARIN prefixes after maximum aggregation: 121319 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268073 Unique aggregates announced from the ARIN address blocks: 129651 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1886 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: 4701 Number of ARIN addresses announced to Internet: 1285463040 Equivalent to 76 /8s, 158 /16s and 156 /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: 255745 Total RIPE prefixes after maximum aggregation: 120172 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252454 Unique aggregates announced from the RIPE address blocks: 156232 RIPE Region origin ASes present in the Internet Routing Table: 28204 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12029 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: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10958 Number of RIPE addresses announced to Internet: 719436544 Equivalent to 42 /8s, 225 /16s and 187 /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: 117261 Total LACNIC prefixes after maximum aggregation: 28278 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116494 Unique aggregates announced from the LACNIC address blocks: 48890 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2271 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: 8764 Number of LACNIC addresses announced to Internet: 175946752 Equivalent to 10 /8s, 124 /16s and 188 /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: 28786 Total AfriNIC prefixes after maximum aggregation: 5699 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36846 Unique aggregates announced from the AfriNIC address blocks: 12076 AfriNIC Region origin ASes present in the Internet Routing Table: 1711 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 108037632 Equivalent to 6 /8s, 112 /16s and 134 /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 9259 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3630 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3107 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2691 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2358 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 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 7754 10635 2924 AMAZON-02, US 11492 4549 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3687 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3469 1797 2506 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2609 24131 1580 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2572 369 359 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 6952 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3910 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2646 252 1354 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1803 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 10936 3329 590 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2201 361 591 Mega Cable, S.A. de C.V., MX 28573 1342 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 1150 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 467 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 1527 533 30 RAYA-AS, EG 24863 1474 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 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 373 319 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 10936 3329 590 Uninet S.A. de C.V., MX 9808 9259 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7754 10635 2924 AMAZON-02, US 12479 6952 1706 146 UNI2-AS, ES 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4549 301 565 CABLEONE, US 20940 4051 3399 175 AKAMAI-ASN1, NL 8551 3910 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 265 33 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 9259 9212 CHINAMOBILE-CN China Mobile Communications Grou 12479 6952 6806 UNI2-AS, ES 7545 5939 5239 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7754 4830 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4549 3984 CABLEONE, US 20940 4051 3876 AKAMAI-ASN1, NL 8551 3910 3872 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3894 3861 VIASAT-SP-BACKBONE, US 7552 3630 3609 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 /12:295 /13:580 /14:1197 /15:2078 /16:13482 /17:8225 /18:13776 /19:24813 /20:42739 /21:50840 /22:108771 /23:96569 /24:538990 /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 5999 6952 UNI2-AS, ES 8151 4956 10936 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3456 4549 CABLEONE, US 8551 3375 3910 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2230 2572 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) ---------------------------------------------- 1:1622 2:1230 3:168 4:5 5:4102 6:110 7:5 8:1534 9:1 11:172 12:1594 13:376 14:2323 15:284 16:76 17:369 18:414 20:243 21:4 22:188 23:6034 24:2454 25:4 27:2705 29:19 31:2494 32:104 34:8 35:95 36:1861 37:4591 38:3992 39:824 40:144 41:3918 42:1045 43:2291 44:301 45:16458 46:4187 47:373 49:1710 50:1933 51:378 52:1546 54:395 55:867 56:8 57:79 58:1679 59:1104 60:1006 61:2423 62:2627 63:1934 64:5600 65:2317 66:4887 67:3043 68:1333 69:4123 70:1254 71:655 72:2980 74:2581 75:1465 76:594 77:2361 78:1833 79:3158 80:2069 81:1686 82:1478 83:1226 84:1495 85:2967 86:749 87:1924 88:1196 89:3546 90:586 91:7648 92:1984 93:2573 94:3524 95:3911 96:1315 97:344 98:1162 99:738 100:75 101:1293 102:2537 103:30676 104:4592 105:484 106:846 107:2533 108:908 109:4383 110:2043 111:3274 112:2024 113:1466 114:1602 115:2021 116:1865 117:2513 118:2289 119:1861 120:1718 121:1043 122:2576 123:2135 124:1534 125:2264 128:1239 129:1045 130:962 131:2001 132:831 133:405 134:1896 135:297 136:891 137:922 138:2580 139:1512 140:1027 141:1486 142:1409 143:1442 144:1188 145:350 146:1882 147:1537 148:2261 149:1860 150:860 151:1137 152:1967 153:477 154:3853 155:1404 156:1644 157:1295 158:1043 159:2252 160:2574 161:1432 162:3531 163:1474 164:1670 165:1664 166:826 167:1751 168:3855 169:916 170:4569 171:888 172:3496 173:3054 174:1026 175:1159 176:3705 177:4765 178:3548 179:2153 180:2411 181:3372 182:3243 183:1937 184:2347 185:19984 186:4624 187:3919 188:4077 189:3426 190:9028 191:1469 192:10954 193:8833 194:7210 195:5086 196:3067 197:2402 198:5924 199:6072 200:7605 201:5876 202:10209 203:10018 204:4589 205:3499 206:3789 207:3346 208:4087 209:4783 210:4154 211:2383 212:4059 213:3533 214:1103 215:55 216:6556 217:2634 218:1254 219:408 220:1778 221:964 222:662 223:1979 End of report