IPv4 R&E Routing Table Report 21:10 GMT Tue 13 Oct, 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: 1072757 Prefixes after maximum aggregation (per Origin AS): 415444 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 536379 Number of IPv4 prefixes with a valid ROA: 755349 Number of IPv4 prefixes with an invalid ROA: 122 Number of IPv4 prefixes with no ROA: 317286 Total ASes present in the Internet Routing Table: 79436 Prefixes per ASN: 13.50 Origin-only ASes present in the Internet Routing Table: 67977 Origin ASes announcing only one prefix: 27894 Transit ASes present in the Internet Routing Table: 11459 Transit-only ASes present in the Internet Routing Table: 627 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 53 Max AS path prepend of ASN ( 37447) 50 Prefixes from unregistered ASNs in the Routing Table: 1105 Number of instances of unregistered ASNs: 1128 Number of 32-bit ASNs allocated by the RIRs: 51647 Number of 32-bit ASNs visible in the Routing Table: 41896 Prefixes from 32-bit ASNs in the Routing Table: 243242 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 592 Number of addresses announced to Internet: 3125692160 Equivalent to 186 /8s, 78 /16s and 71 /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: 355059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284778 Total APNIC prefixes after maximum aggregation: 85606 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 272734 Unique aggregates announced from the APNIC address blocks: 110931 APNIC Region origin ASes present in the Internet Routing Table: 15397 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 4785 APNIC Region transit ASes present in the Internet Routing Table: 2043 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11004 Number of APNIC addresses announced to Internet: 748892416 Equivalent to 44 /8s, 163 /16s and 49 /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: 315951 Total ARIN prefixes after maximum aggregation: 140408 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312915 Unique aggregates announced from the ARIN address blocks: 153331 ARIN Region origin ASes present in the Internet Routing Table: 19531 ARIN Prefixes per ASN: 16.02 ARIN Region origin ASes announcing only one prefix: 7204 ARIN Region transit ASes present in the Internet Routing Table: 1994 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5843 Number of ARIN addresses announced to Internet: 1355178496 Equivalent to 80 /8s, 198 /16s and 98 /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: 300319 Total RIPE prefixes after maximum aggregation: 149820 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 306611 Unique aggregates announced from the RIPE address blocks: 201360 RIPE Region origin ASes present in the Internet Routing Table: 29907 RIPE Prefixes per ASN: 10.25 RIPE Region origin ASes announcing only one prefix: 12376 RIPE Region transit ASes present in the Internet Routing Table: 4170 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 48 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13988 Number of RIPE addresses announced to Internet: 750302976 Equivalent to 44 /8s, 184 /16s and 183 /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: 132061 Total LACNIC prefixes after maximum aggregation: 31834 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125661 Unique aggregates announced from the LACNIC address blocks: 51631 LACNIC Region origin ASes present in the Internet Routing Table: 11524 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2764 LACNIC Region transit ASes present in the Internet Routing Table: 2650 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9603 Number of LACNIC addresses announced to Internet: 167287040 Equivalent to 9 /8s, 248 /16s and 153 /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: 38543 Total AfriNIC prefixes after maximum aggregation: 7106 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 54243 Unique aggregates announced from the AfriNIC address blocks: 18642 AfriNIC Region origin ASes present in the Internet Routing Table: 2092 AfriNIC Prefixes per ASN: 25.93 AfriNIC Region origin ASes announcing only one prefix: 765 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1458 Number of AfriNIC addresses announced to Internet: 103721216 Equivalent to 6 /8s, 46 /16s and 169 /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 13996 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4642 833 276 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4087 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3629 888 183 CMNET-Jiangsu-AP - China Mobile communica 7713 3428 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3377 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3071 314 1815 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2384 538 663 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 4755 2270 428 193 TATACOMM-AS - TATA Communications formerl 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 18292 42594 5612 AMAZON-02 - Amazon.com, Inc., US 22773 4918 3319 459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4627 307 1097 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3837 1305 74 SHAW - Shaw Communications, CA 396982 3546 5381 599 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3284 244 1154 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2905 2572 924 WINDSTREAM - Windstream Communications LL 31898 2818 1397 1178 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 6944 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4374 390 2675 M247 - M247 Europe SRL, RO 20940 3835 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3651 262 2772 CDNEXT - Datacamp Limited, GB 12389 3103 2329 864 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2528 371 602 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 155 28 KCELL-AS - Kcell JSC, KZ 3257 1744 2083 982 GTT-BACKBONE - GTT Communications Inc., U 8452 1731 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 13274 3296 616 AS8151 - UNINET, MX 10620 3399 442 1122 AS10620 - Telmex Colombia S.A., CO 13999 2222 493 325 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1860 369 65 AS11830 - Instituto Costarricense de Elec 11664 1507 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1390 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1174 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1098 73 382 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1078 75 54 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 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1457 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1303 524 47 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 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 562 162 174 Dimension Data - Dimension Data, ZA 36914 556 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 18292 42594 5612 AMAZON-02 - Amazon.com, Inc., US 9808 13996 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13274 3296 616 AS8151 - UNINET, MX 12479 6944 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4918 3319 459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4642 833 276 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4627 307 1097 CABLEONE - CABLE ONE, INC., US 9009 4374 390 2675 M247 - M247 Europe SRL, RO 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 13996 13861 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13274 12658 AS8151 - UNINET, MX 12479 6944 6795 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5105 4774 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4918 4459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4642 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4087 4063 VIETEL-AS-AP - Viettel Group, VN 6327 3837 3763 SHAW - Shaw Communications, CA 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 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 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 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: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /14:1190 /15:2134 /16:13728 /17:8276 /18:13266 /19:25502 /20:45271 /21:53439 /22:113651 /23:110679 /24:684566 /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 7431 13274 AS8151 - UNINET, MX 12479 5862 6944 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3602 3837 SHAW - Shaw Communications, CA 16509 3543 18292 AMAZON-02 - Amazon.com, Inc., US 11492 3509 4627 CABLEONE - CABLE ONE, INC., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3136 4918 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2234 3399 AS10620 - Telmex Colombia S.A., CO 30036 2174 2519 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) ---------------------------------------------- 1:2023 2:2915 3:1694 4:6 5:5479 6:212 7:6 8:1501 9:321 11:172 12:1082 13:1465 14:2707 15:488 16:339 17:469 18:1568 20:616 21:4 22:188 23:8629 24:2814 25:2 27:2947 28:8 29:19 31:3964 32:33 34:94 35:306 36:4909 37:4442 38:10546 39:1446 40:454 41:4614 42:1045 43:3475 44:531 45:19922 46:4982 47:458 48:171 49:2328 50:2020 51:1037 52:1478 54:464 55:1131 56:11 57:333 58:2671 59:1486 60:1190 61:3257 62:3179 63:1680 64:6719 65:2279 66:6295 67:3325 68:1345 69:4125 70:1085 71:605 72:3286 74:3147 75:1741 76:592 77:2919 78:2172 79:2002 80:2399 81:2302 82:4396 83:1518 84:2173 85:3925 86:1153 87:2976 88:1368 89:4949 90:789 91:8541 92:2783 93:3065 94:4679 95:4766 96:1453 97:304 98:970 99:1161 100:65 101:1373 102:4747 103:32397 104:5810 105:971 106:970 107:3008 108:1659 109:4021 110:2232 111:4228 112:3230 113:1694 114:2627 115:2324 116:2081 117:3898 118:2606 119:2073 120:2829 121:1820 122:3068 123:2226 124:1935 125:2989 126:175 128:1628 129:1004 130:1785 131:2640 132:955 133:483 134:1837 135:676 136:1589 137:1618 138:3436 139:1836 140:1897 141:1898 142:2738 143:2362 144:1942 145:712 146:2266 147:2400 148:2878 149:3575 150:1484 151:3165 152:2476 153:2286 154:9000 155:2386 156:4135 157:2492 158:1654 159:2991 160:4180 161:2168 162:4242 163:2791 164:2482 165:2803 166:1259 167:2418 168:4260 169:986 170:5605 171:1141 172:4959 173:3468 174:894 175:1433 176:4068 177:5591 178:4689 179:2858 180:3338 181:4718 182:4124 183:2658 184:2201 185:22069 186:6573 187:6055 188:4928 189:5016 190:10007 191:2006 192:11987 193:9628 194:7996 195:6010 196:3480 197:3294 198:6494 199:6184 200:8487 201:6946 202:10603 203:10681 204:4839 205:3798 206:4540 207:4035 208:4349 209:5524 210:4685 211:2726 212:5276 213:4138 214:1028 215:50 216:7329 217:3915 218:1927 219:411 220:2230 221:1442 222:974 223:3654 End of report