IPv4 R&E Routing Table Report 21:10 GMT Sat 18 Jul, 2026 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: 1057153 Prefixes after maximum aggregation (per Origin AS): 407110 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525052 Number of IPv4 prefixes with a valid ROA: 714768 Number of IPv4 prefixes with an invalid ROA: 110 Number of IPv4 prefixes with no ROA: 342274 Total ASes present in the Internet Routing Table: 78851 Prefixes per ASN: 13.41 Origin-only ASes present in the Internet Routing Table: 67450 Origin ASes announcing only one prefix: 27575 Transit ASes present in the Internet Routing Table: 11401 Transit-only ASes present in the Internet Routing Table: 602 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1285 Number of instances of unregistered ASNs: 1324 Number of 32-bit ASNs allocated by the RIRs: 50464 Number of 32-bit ASNs visible in the Routing Table: 41123 Prefixes from 32-bit ASNs in the Routing Table: 235656 Number of bogon 32-bit ASNs visible in the Routing Table: 130 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3118689792 Equivalent to 185 /8s, 227 /16s and 110 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 346038 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287621 Total APNIC prefixes after maximum aggregation: 84227 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 273495 Unique aggregates announced from the APNIC address blocks: 109221 APNIC Region origin ASes present in the Internet Routing Table: 15304 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 4719 APNIC Region transit ASes present in the Internet Routing Table: 2074 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10895 Number of APNIC addresses announced to Internet: 748791040 Equivalent to 44 /8s, 161 /16s and 165 /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, 131072-155961 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: 306948 Total ARIN prefixes after maximum aggregation: 138022 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 305293 Unique aggregates announced from the ARIN address blocks: 149704 ARIN Region origin ASes present in the Internet Routing Table: 19465 ARIN Prefixes per ASN: 15.68 ARIN Region origin ASes announcing only one prefix: 7109 ARIN Region transit ASes present in the Internet Routing Table: 1967 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5682 Number of ARIN addresses announced to Internet: 1348363008 Equivalent to 80 /8s, 94 /16s and 99 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 294049 Total RIPE prefixes after maximum aggregation: 146077 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 298625 Unique aggregates announced from the RIPE address blocks: 195550 RIPE Region origin ASes present in the Internet Routing Table: 29618 RIPE Prefixes per ASN: 10.08 RIPE Region origin ASes announcing only one prefix: 12249 RIPE Region transit ASes present in the Internet Routing Table: 4140 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13617 Number of RIPE addresses announced to Internet: 749451520 Equivalent to 44 /8s, 171 /16s and 185 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 129520 Total LACNIC prefixes after maximum aggregation: 30989 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124167 Unique aggregates announced from the LACNIC address blocks: 50474 LACNIC Region origin ASes present in the Internet Routing Table: 11445 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2764 LACNIC Region transit ASes present in the Internet Routing Table: 2638 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9520 Number of LACNIC addresses announced to Internet: 167836416 Equivalent to 10 /8s, 0 /16s and 251 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37730 Total AfriNIC prefixes after maximum aggregation: 7076 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 55084 Unique aggregates announced from the AfriNIC address blocks: 19689 AfriNIC Region origin ASes present in the Internet Routing Table: 2047 AfriNIC Prefixes per ASN: 26.91 AfriNIC Region origin ASes announcing only one prefix: 734 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1409 Number of AfriNIC addresses announced to Internet: 103974400 Equivalent to 6 /8s, 50 /16s and 134 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 14015 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5846 818 454 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5029 556 334 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4625 347 24 FPT-VN - FPT Telecom Company, VN 7552 4024 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3766 237 611 LCS-AS-AP - LARUS Limited, HK 7713 3729 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3576 887 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3386 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2736 732 730 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15578 41521 5624 AMAZON-02 - Amazon.com, Inc., US 22773 4785 3121 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4499 299 1195 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3432 4872 530 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3160 238 1106 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2671 2534 880 WINDSTREAM - Windstream Communications LL 30036 2562 357 527 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7089 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4169 376 2555 M247 - M247 Europe SRL, RO 20940 3815 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3442 246 2586 CDNEXT - Datacamp Limited, GB 12389 3136 2325 873 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2493 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1716 1852 14 TE-AS - IDDQD-AS, EG 203020 1655 253 830 HostRoyale - HostRoyale Technologies Pvt 44559 1635 102 761 ITHOSTLINE - IT HOSTLINE LTD, CY 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 12816 3258 626 AS8151 - UNINET, MX 10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2286 499 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1212 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1055 2385 96 AS26615 - TIM S/A, 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 24835 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1925 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1305 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1288 523 46 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 586 54 190 Africa on Cloud - Africa on Cloud, ZA 15399 554 57 62 Wananchi Group (Kenya) Limited - Wananchi 36914 553 82 3 Kenya Education Network - Kenya Education 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 16509 15578 41521 5624 AMAZON-02 - Amazon.com, Inc., US 9808 14015 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12816 3258 626 AS8151 - UNINET, MX 12479 7089 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5846 818 454 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5029 556 334 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4785 3121 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4625 347 24 FPT-VN - FPT Telecom Company, VN 11492 4499 299 1195 CABLEONE - CABLE ONE, INC., 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 14015 13895 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12816 12190 AS8151 - UNINET, MX 12479 7089 6939 UNI2-AS - Orange Espagne SA, ES 7545 5846 5392 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5029 4695 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4625 4601 FPT-VN - FPT Telecom Company, VN 22773 4785 4423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4024 4000 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.134.212.0/24 Origin: 8143 NEBUSRT - Neburst LLC, US 23.134.212.0/24 Transit: 17476 CHL-AS-AP - CloudRadium (HK) Limited, HK 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 /11:97 /12:299 /13:589 /14:1186 /15:2126 /16:13695 /17:8311 /18:13326 /19:25494 /20:45805 /21:52698 /22:113390 /23:109207 /24:670860 /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 8151 7051 12816 AS8151 - UNINET, MX 12479 6012 7089 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3422 4499 CABLEONE - CABLE ONE, INC., US 22773 3055 4785 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2943 15578 AMAZON-02 - Amazon.com, Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2245 3441 AS10620 - Telmex Colombia S.A., CO 30036 2216 2562 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2546 2:2301 3:1024 4:5 5:5320 6:206 7:6 8:1377 9:77 11:172 12:1091 13:791 14:2747 15:478 16:267 17:452 18:945 20:617 21:4 22:188 23:8518 24:2772 25:2 27:2868 28:6 29:19 31:3823 32:36 34:92 35:286 36:4835 37:4437 38:10046 39:1373 40:432 41:4569 42:2214 43:3327 44:464 45:20048 46:4974 47:458 48:168 49:2268 50:2012 51:862 52:1367 54:303 55:1167 56:11 57:326 58:2380 59:1345 60:1213 61:3181 62:3156 63:1742 64:6526 65:2147 66:6116 67:3312 68:1293 69:4079 70:1045 71:613 72:3260 74:3065 75:1512 76:592 77:2914 78:2106 79:1887 80:2374 81:2286 82:4246 83:1486 84:2168 85:3918 86:1093 87:2777 88:1317 89:4812 90:786 91:8506 92:2773 93:3046 94:4446 95:4709 96:1450 97:308 98:929 99:966 100:72 101:1447 102:4726 103:32481 104:5624 105:839 106:898 107:2940 108:1326 109:3915 110:2281 111:4147 112:3119 113:1926 114:2507 115:2331 116:2079 117:3675 118:3065 119:2098 120:2783 121:1660 122:3045 123:2235 124:1729 125:2977 126:158 128:1599 129:975 130:1721 131:2553 132:891 133:488 134:1754 135:648 136:1538 137:1579 138:3460 139:1807 140:1873 141:1734 142:2624 143:2122 144:1835 145:674 146:2197 147:2310 148:2803 149:3334 150:1374 151:2959 152:2407 153:1971 154:9860 155:2364 156:4662 157:2436 158:1609 159:2867 160:3893 161:2041 162:4168 163:2676 164:2387 165:2775 166:1303 167:2362 168:4234 169:902 170:5617 171:1132 172:4929 173:3474 174:884 175:1372 176:4043 177:5160 178:4495 179:2498 180:3234 181:4661 182:4050 183:2836 184:2046 185:21944 186:6537 187:5503 188:4738 189:4635 190:9887 191:1794 192:11824 193:9634 194:7937 195:5897 196:3459 197:3133 198:6302 199:6085 200:8410 201:6624 202:10724 203:10686 204:4751 205:3780 206:4462 207:4077 208:4334 209:5484 210:4775 211:2695 212:5196 213:4117 214:1026 215:47 216:7319 217:3744 218:1862 219:416 220:2287 221:1343 222:942 223:3590 End of report