IPv4 R&E Routing Table Report 21:10 GMT Thu 10 Sep, 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: 1069778 Prefixes after maximum aggregation (per Origin AS): 412097 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 531211 Number of IPv4 prefixes with a valid ROA: 744029 Number of IPv4 prefixes with an invalid ROA: 134 Number of IPv4 prefixes with no ROA: 325615 Total ASes present in the Internet Routing Table: 79229 Prefixes per ASN: 13.50 Origin-only ASes present in the Internet Routing Table: 67790 Origin ASes announcing only one prefix: 27769 Transit ASes present in the Internet Routing Table: 11439 Transit-only ASes present in the Internet Routing Table: 611 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN ( 37447) 50 Prefixes from unregistered ASNs in the Routing Table: 1280 Number of instances of unregistered ASNs: 1290 Number of 32-bit ASNs allocated by the RIRs: 51143 Number of 32-bit ASNs visible in the Routing Table: 41594 Prefixes from 32-bit ASNs in the Routing Table: 240348 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: 519 Number of addresses announced to Internet: 3123088640 Equivalent to 186 /8s, 38 /16s and 141 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 352439 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288920 Total APNIC prefixes after maximum aggregation: 85421 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 275980 Unique aggregates announced from the APNIC address blocks: 109869 APNIC Region origin ASes present in the Internet Routing Table: 15350 APNIC Prefixes per ASN: 17.98 APNIC Region origin ASes announcing only one prefix: 4746 APNIC Region transit ASes present in the Internet Routing Table: 2045 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10953 Number of APNIC addresses announced to Internet: 748500224 Equivalent to 44 /8s, 157 /16s and 53 /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: 311519 Total ARIN prefixes after maximum aggregation: 138964 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 309751 Unique aggregates announced from the ARIN address blocks: 151869 ARIN Region origin ASes present in the Internet Routing Table: 19475 ARIN Prefixes per ASN: 15.91 ARIN Region origin ASes announcing only one prefix: 7141 ARIN Region transit ASes present in the Internet Routing Table: 1983 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: 5761 Number of ARIN addresses announced to Internet: 1353405440 Equivalent to 80 /8s, 171 /16s and 84 /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: 298202 Total RIPE prefixes after maximum aggregation: 148349 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 303802 Unique aggregates announced from the RIPE address blocks: 198829 RIPE Region origin ASes present in the Internet Routing Table: 29833 RIPE Prefixes per ASN: 10.18 RIPE Region origin ASes announcing only one prefix: 12343 RIPE Region transit ASes present in the Internet Routing Table: 4161 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: 13858 Number of RIPE addresses announced to Internet: 749511680 Equivalent to 44 /8s, 172 /16s and 164 /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: 131728 Total LACNIC prefixes after maximum aggregation: 31597 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125723 Unique aggregates announced from the LACNIC address blocks: 51511 LACNIC Region origin ASes present in the Internet Routing Table: 11504 LACNIC Prefixes per ASN: 10.93 LACNIC Region origin ASes announcing only one prefix: 2779 LACNIC Region transit ASes present in the Internet Routing Table: 2660 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9579 Number of LACNIC addresses announced to Internet: 167555328 Equivalent to 9 /8s, 252 /16s and 177 /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: 38129 Total AfriNIC prefixes after maximum aggregation: 7027 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 54002 Unique aggregates announced from the AfriNIC address blocks: 18704 AfriNIC Region origin ASes present in the Internet Routing Table: 2081 AfriNIC Prefixes per ASN: 25.95 AfriNIC Region origin ASes announcing only one prefix: 760 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1443 Number of AfriNIC addresses announced to Internet: 103854080 Equivalent to 6 /8s, 48 /16s and 176 /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 14033 8735 127 CHINAMOBILE-CN - China Mobile Communicati 9498 5104 561 343 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4637 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 18403 4616 347 24 FPT-VN - FPT Telecom Company, VN 7552 4069 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3619 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3515 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3391 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3073 315 1805 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2477 589 700 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 16981 42646 5650 AMAZON-02 - Amazon.com, Inc., US 22773 4856 3168 416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4610 306 1126 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3803 1305 74 SHAW - Shaw Communications, CA 396982 3471 4880 551 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3218 240 1144 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 7029 2792 2543 889 WINDSTREAM - Windstream Communications LL 31898 2745 1365 1154 ORACLE-BMC-31898 - Oracle Corporation, 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 6972 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4213 375 2563 M247 - M247 Europe SRL, RO 20940 3813 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3591 260 2715 CDNEXT - Datacamp Limited, GB 12389 3123 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2530 371 594 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 154 27 KCELL-AS - Kcell JSC, KZ 44559 1755 110 919 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1663 1852 14 TE-AS - IDDQD-AS, EG 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 13169 3305 611 AS8151 - UNINET, MX 10620 3411 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2236 495 327 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1875 369 65 AS11830 - Instituto Costarricense de Elec 11664 1507 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1197 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1076 75 52 AS27715 - Locaweb Servicos de Internet S/ 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 1979 509 28 Vodafone Data - Vodafone Data, EG 36992 1939 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1462 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1353 589 106 Office National des Postes et Telecommuni 36935 1286 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 585 57 59 Wananchi Group (Kenya) Limited - Wananchi 36914 553 82 3 Kenya Education Network - Kenya Education 20011 549 159 177 Dimension Data - Dimension Data, ZA 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 16981 42646 5650 AMAZON-02 - Amazon.com, Inc., US 9808 14033 8735 127 CHINAMOBILE-CN - China Mobile Communicati 8151 13169 3305 611 AS8151 - UNINET, MX 12479 6972 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5104 561 343 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4856 3168 416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4637 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 18403 4616 347 24 FPT-VN - FPT Telecom Company, VN 11492 4610 306 1126 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 14033 13906 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13169 12558 AS8151 - UNINET, MX 12479 6972 6823 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5104 4761 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4616 4592 FPT-VN - FPT Telecom Company, VN 22773 4856 4440 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4637 4362 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4069 4045 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R 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: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /13:592 /14:1194 /15:2136 /16:13747 /17:8290 /18:13302 /19:25528 /20:45632 /21:53520 /22:113400 /23:110687 /24:681284 /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 7335 13169 AS8151 - UNINET, MX 12479 5891 6972 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3571 3803 SHAW - Shaw Communications, CA 11492 3520 4610 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 3235 16981 AMAZON-02 - Amazon.com, Inc., US 22773 3110 4856 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2246 3411 AS10620 - Telmex Colombia S.A., CO 30036 2192 2540 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) ---------------------------------------------- 1:2701 2:2891 3:1420 4:5 5:5416 6:215 7:6 8:1340 9:110 11:172 12:1097 13:1089 14:2688 15:490 16:275 17:464 18:1272 20:619 21:4 22:188 23:8571 24:2792 25:2 27:2948 28:7 29:19 31:3910 32:35 34:93 35:293 36:4903 37:4443 38:10297 39:1431 40:457 41:4656 42:2246 43:3444 44:512 45:19877 46:5027 47:460 48:171 49:2297 50:2014 51:947 52:1391 54:354 55:1085 56:11 57:331 58:2460 59:1369 60:1196 61:3323 62:3169 63:1705 64:6663 65:2175 66:6281 67:3322 68:1297 69:4101 70:1083 71:615 72:3285 74:3145 75:1732 76:591 77:2933 78:2141 79:1908 80:2384 81:2308 82:4369 83:1491 84:2140 85:3882 86:1136 87:2993 88:1339 89:4884 90:768 91:8521 92:2751 93:3058 94:4642 95:4774 96:1454 97:304 98:945 99:1060 100:65 101:1609 102:4746 103:32481 104:5723 105:928 106:931 107:3002 108:1498 109:3976 110:2235 111:4184 112:3146 113:1954 114:2597 115:2348 116:2099 117:3874 118:3033 119:2089 120:2863 121:1847 122:3059 123:2243 124:1684 125:2965 126:156 128:1627 129:972 130:1757 131:2571 132:895 133:484 134:1805 135:670 136:1597 137:1614 138:3464 139:1836 140:1882 141:1862 142:2691 143:2326 144:1902 145:712 146:2222 147:2392 148:2870 149:3741 150:1435 151:3044 152:2450 153:2164 154:9011 155:2380 156:3929 157:2459 158:1659 159:2972 160:4076 161:2103 162:4242 163:2748 164:2432 165:2793 166:1255 167:2400 168:4459 169:960 170:5617 171:1131 172:4945 173:3472 174:895 175:1430 176:4071 177:5575 178:4681 179:2755 180:3353 181:4681 182:4094 183:2888 184:2215 185:22062 186:6578 187:5818 188:4778 189:4832 190:9983 191:1897 192:11846 193:9623 194:7960 195:5959 196:3421 197:3280 198:6364 199:6126 200:8468 201:6896 202:10714 203:10741 204:4787 205:3775 206:4498 207:4090 208:4322 209:5546 210:4782 211:2728 212:5238 213:4131 214:1023 215:48 216:7356 217:3800 218:1925 219:413 220:2240 221:1444 222:990 223:3618 End of report