IPv4 R&E Routing Table Report 21:10 GMT Thu 20 Apr, 2023 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: 916620 Prefixes after maximum aggregation (per Origin AS): 348008 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448669 Number of IPv4 prefixes with a valid ROA: 391779 Number of IPv4 prefixes with an invalid ROA: 2943 Number of IPv4 prefixes with no ROA: 521896 Total ASes present in the Internet Routing Table: 74320 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63847 Origin ASes announcing only one prefix: 26185 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1385 Number of instances of unregistered ASNs: 1389 Number of 32-bit ASNs allocated by the RIRs: 41684 Number of 32-bit ASNs visible in the Routing Table: 34468 Prefixes from 32-bit ASNs in the Routing Table: 170541 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 890 Number of addresses announced to Internet: 3060008704 Equivalent to 182 /8s, 100 /16s and 7 /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: 306473 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240280 Total APNIC prefixes after maximum aggregation: 68712 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234531 Unique aggregates announced from the APNIC address blocks: 97835 APNIC Region origin ASes present in the Internet Routing Table: 13371 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3931 APNIC Region transit ASes present in the Internet Routing Table: 1798 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8689 Number of APNIC addresses announced to Internet: 773354752 Equivalent to 46 /8s, 24 /16s and 117 /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: 268580 Total ARIN prefixes after maximum aggregation: 122041 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271230 Unique aggregates announced from the ARIN address blocks: 130856 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4785 Number of ARIN addresses announced to Internet: 1283625216 Equivalent to 76 /8s, 130 /16s and 145 /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: 259427 Total RIPE prefixes after maximum aggregation: 122229 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255321 Unique aggregates announced from the RIPE address blocks: 157803 RIPE Region origin ASes present in the Internet Routing Table: 28310 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11142 Number of RIPE addresses announced to Internet: 717880832 Equivalent to 42 /8s, 201 /16s and 254 /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: 117834 Total LACNIC prefixes after maximum aggregation: 28432 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117108 Unique aggregates announced from the LACNIC address blocks: 49241 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2289 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8772 Number of LACNIC addresses announced to Internet: 176778240 Equivalent to 10 /8s, 137 /16s and 108 /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: 29114 Total AfriNIC prefixes after maximum aggregation: 5778 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37539 Unique aggregates announced from the AfriNIC address blocks: 12319 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 107612416 Equivalent to 6 /8s, 106 /16s and 9 /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 9475 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5727 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3379 1867 88 VNPT-AS-VN VNPT Corp, VN 7552 3057 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2937 490 236 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2379 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8223 10772 2933 AMAZON-02, US 11492 4543 301 602 CABLEONE, US 7155 3970 279 48 VIASAT-SP-BACKBONE, US 22773 3599 3073 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 64 SHAW, CA 16625 3154 1575 2350 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 30036 2510 362 438 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2381 24083 1433 ATT-INTERNET4, 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 7216 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 166 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2292 909 ROSTELECOM-AS, RU 9009 2668 251 1391 M247, RO 34984 2275 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 543 TCI, IR 13188 1606 100 26 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 11230 3361 589 Uninet S.A. de C.V., MX 10620 3500 507 854 Telmex Colombia S.A., CO 13999 2325 357 612 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1328 2320 259 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 442 Techtel LMDS Comunicaciones Interactiva 26615 1032 2498 45 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 1599 393 19 LINKdotNET-AS, EG 24835 1340 533 28 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 51 ORANGE-COTE-IVOIRE, CI 36935 814 519 33 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 531 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 73 5 EthioNet-AS, ET 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 11230 3361 589 Uninet S.A. de C.V., MX 9808 9475 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8223 10772 2933 AMAZON-02, US 12479 7216 1706 140 UNI2-AS, ES 7545 5727 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4543 301 602 CABLEONE, US 20940 4080 3399 166 AKAMAI-ASN1, NL 7155 3970 279 48 VIASAT-SP-BACKBONE, US 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9475 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7216 7076 UNI2-AS, ES 16509 8223 5290 AMAZON-02, US 7545 5727 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4543 3941 CABLEONE, US 7155 3970 3922 VIASAT-SP-BACKBONE, US 20940 4080 3914 AKAMAI-ASN1, NL 8551 3892 3855 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3560 3495 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 100.127.0.0/16 27720 CITTA TELECOM LTDA, BR 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar 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: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 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/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 /9:14 /10:39 /11:103 /12:298 /13:578 /14:1195 /15:2083 /16:13458 /17:8219 /18:13795 /19:25001 /20:43622 /21:51087 /22:109155 /23:97781 /24:550175 /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 6273 7216 UNI2-AS, ES 8151 5174 11230 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3452 4543 CABLEONE, US 8551 3364 3892 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3522 SHAW, CA 7155 3040 3970 VIASAT-SP-BACKBONE, US 22773 2662 3599 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2510 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1770 2:1269 3:175 4:5 5:4496 6:127 7:6 8:1523 9:1 11:172 12:1547 13:386 14:2312 15:299 16:183 17:369 18:413 20:256 21:4 22:188 23:6249 24:2591 25:6 27:2529 29:19 31:2496 32:86 34:12 35:108 36:1922 37:4649 38:4456 39:820 40:151 41:3944 42:1216 43:2338 44:308 45:16537 46:4248 47:363 49:1728 50:1831 51:573 52:1589 54:391 55:857 56:8 57:117 58:1788 59:1151 60:992 61:2450 62:2638 63:1920 64:5700 65:2321 66:4974 67:3038 68:1376 69:4160 70:1249 71:680 72:2981 74:2626 75:1445 76:611 77:2441 78:1865 79:3167 80:2098 81:1742 82:1486 83:1283 84:1533 85:2995 86:761 87:1986 88:1241 89:3643 90:611 91:7716 92:2061 93:2624 94:3596 95:4021 96:1327 97:336 98:1155 99:745 100:74 101:1070 102:2675 103:31352 104:4646 105:467 106:861 107:2527 108:1030 109:4429 110:2082 111:3087 112:2030 113:1547 114:1637 115:2076 116:1902 117:2516 118:2355 119:2015 120:1770 121:1076 122:2631 123:2204 124:1566 125:2507 128:1313 129:1057 130:1019 131:1996 132:860 133:422 134:1908 135:305 136:880 137:1092 138:2576 139:1563 140:1240 141:1454 142:1437 143:1498 144:1166 145:347 146:1950 147:1583 148:2350 149:2090 150:886 151:1158 152:1819 153:568 154:4481 155:1433 156:1811 157:1309 158:1057 159:2304 160:2530 161:1522 162:3517 163:1565 164:1629 165:1739 166:1033 167:1749 168:3881 169:943 170:4602 171:850 172:3557 173:2948 174:1069 175:1154 176:3694 177:4577 178:3584 179:2153 180:2612 181:3424 182:3329 183:1968 184:2360 185:20188 186:4743 187:3928 188:4091 189:3545 190:9186 191:1428 192:10933 193:8883 194:7322 195:5142 196:3085 197:2383 198:5956 199:6095 200:8001 201:5856 202:10583 203:10263 204:4593 205:3534 206:4165 207:3434 208:4080 209:4857 210:4354 211:2435 212:4119 213:3576 214:1082 215:59 216:6649 217:2694 218:1311 219:470 220:2019 221:973 222:783 223:2148 End of report