IPv4 R&E Routing Table Report 21:10 GMT Sun 18 Sep, 2022 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 900599 Prefixes after maximum aggregation (per Origin AS): 340891 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439574 Number of IPv4 prefixes with a valid ROA: 351294 Number of IPv4 prefixes with an invalid ROA: 3045 Number of IPv4 prefixes with no ROA: 546260 Total ASes present in the Internet Routing Table: 73668 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63295 Origin ASes announcing only one prefix: 25989 Transit ASes present in the Internet Routing Table: 10373 Transit-only ASes present in the Internet Routing Table: 410 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1148 Number of instances of unregistered ASNs: 1151 Number of 32-bit ASNs allocated by the RIRs: 40181 Number of 32-bit ASNs visible in the Routing Table: 33362 Prefixes from 32-bit ASNs in the Routing Table: 160363 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 610 Number of addresses announced to Internet: 3068298240 Equivalent to 182 /8s, 226 /16s and 132 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 301117 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235948 Total APNIC prefixes after maximum aggregation: 67213 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 230932 Unique aggregates announced from the APNIC address blocks: 96387 APNIC Region origin ASes present in the Internet Routing Table: 12943 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 3728 APNIC Region transit ASes present in the Internet Routing Table: 1778 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8190 Number of APNIC addresses announced to Internet: 772948736 Equivalent to 46 /8s, 18 /16s and 67 /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: 265284 Total ARIN prefixes after maximum aggregation: 121001 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265937 Unique aggregates announced from the ARIN address blocks: 128094 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 6938 ARIN Region transit ASes present in the Internet Routing Table: 1913 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4610 Number of ARIN addresses announced to Internet: 1292389888 Equivalent to 77 /8s, 8 /16s and 78 /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: 252812 Total RIPE prefixes after maximum aggregation: 118399 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250115 Unique aggregates announced from the RIPE address blocks: 153729 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10807 Number of RIPE addresses announced to Internet: 718385408 Equivalent to 42 /8s, 209 /16s and 177 /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: 116859 Total LACNIC prefixes after maximum aggregation: 27868 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116452 Unique aggregates announced from the LACNIC address blocks: 48963 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2232 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8736 Number of LACNIC addresses announced to Internet: 176492544 Equivalent to 10 /8s, 133 /16s and 16 /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: 28548 Total AfriNIC prefixes after maximum aggregation: 5585 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36552 Unique aggregates announced from the AfriNIC address blocks: 11908 AfriNIC Region origin ASes present in the Internet Routing Table: 1687 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1019 Number of AfriNIC addresses announced to Internet: 107768320 Equivalent to 6 /8s, 108 /16s and 106 /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 9057 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5908 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3355 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2908 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2443 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2207 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2173 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7129 10489 2840 AMAZON-02, US 11492 4542 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3850 3068 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1826 2533 AKAMAI-AS, US 6327 3462 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2613 370 246 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 393 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6914 1730 144 UNI2-AS, ES 20940 4074 3361 203 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 909 ROSTELECOM-AS, RU 6849 2702 355 21 UKRTELNET, UA 9009 2590 250 1335 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10950 3394 556 Uninet S.A. de C.V., MX 10620 3500 515 786 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 1998 325 510 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 985 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1579 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 68 32 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 41 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 402 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10950 3394 556 Uninet S.A. de C.V., MX 9808 9057 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7129 10489 2840 AMAZON-02, US 12479 6914 1730 144 UNI2-AS, ES 7545 5908 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4542 301 591 CABLEONE, US 20940 4074 3361 203 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/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9057 9010 CHINAMOBILE-CN China Mobile Communications Grou 12479 6914 6770 UNI2-AS, ES 7545 5908 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7129 4289 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4542 3951 CABLEONE, US 20940 4074 3871 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3575 3555 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/AARNET/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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar 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 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:101 /12:301 /13:592 /14:1203 /15:2092 /16:13522 /17:8344 /18:13934 /19:25050 /20:44092 /21:51488 /22:108560 /23:96309 /24:534942 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5911 6914 UNI2-AS, ES 8151 4689 10950 Uninet S.A. de C.V., MX 11492 3462 4542 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3273 3462 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2862 3850 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2558 2702 UKRTELNET, UA 30036 2270 2613 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1903 2:1024 3:163 4:5 5:3889 6:116 7:6 8:1574 9:1 11:173 12:1634 13:338 14:2360 15:263 16:51 17:361 18:305 20:244 21:4 22:188 23:5955 24:2448 25:6 27:2735 29:19 31:2411 32:91 34:7 35:89 36:1856 37:4476 38:3553 39:741 40:155 41:3930 42:1160 43:2241 44:291 45:16188 46:4161 47:306 48:1 49:1695 50:1933 51:241 52:1491 54:385 55:832 56:8 57:68 58:1818 59:1173 60:988 61:2297 62:2550 63:1915 64:5614 65:2330 66:4886 67:2986 68:1211 69:4158 70:1323 71:692 72:2999 74:2645 75:1455 76:592 77:2264 78:1884 79:3131 80:2065 81:1651 82:1507 83:1204 84:1397 85:2945 86:727 87:1915 88:1170 89:3421 90:557 91:7602 92:2061 93:2546 94:3535 95:3863 96:1311 97:348 98:1040 99:721 100:75 101:1069 102:2327 103:30087 104:4577 105:472 106:888 107:2541 108:892 109:4310 110:1995 111:3273 112:2041 113:1502 114:1510 115:2093 116:1855 117:2487 118:2325 119:1838 120:1704 121:1082 122:2533 123:2126 124:1499 125:2132 128:1243 129:1024 130:1007 131:2039 132:825 133:377 134:1944 135:296 136:790 137:1023 138:2538 139:1521 140:953 141:1454 142:1344 143:1395 144:1193 145:343 146:1863 147:1522 148:2247 149:1807 150:872 151:1103 152:1947 153:546 154:3771 155:1420 156:1700 157:1284 158:1040 159:2191 160:2536 161:1348 162:3498 163:1411 164:1679 165:1659 166:795 167:1744 168:3829 169:874 170:4526 171:842 172:3371 173:3113 174:1023 175:1157 176:3608 177:4718 178:3577 179:2158 180:2386 181:3299 182:3189 183:1932 184:2361 185:19733 186:4614 187:3914 188:4002 189:3472 190:9085 191:1497 192:11001 193:8670 194:7148 195:5076 196:2981 197:2458 198:5987 199:6041 200:7700 201:5799 202:10497 203:10225 204:4517 205:3472 206:3859 207:3436 208:4060 209:4724 210:4361 211:2337 212:4054 213:3487 214:1112 215:54 216:6417 217:2631 218:1307 219:472 220:2010 221:927 222:773 223:1972 End of report