IPv4 R&E Routing Table Report 22:10 GMT Wed 22 May, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 25517 Prefixes after maximum aggregation (per Origin AS): 12715 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14353 Number of IPv4 prefixes with a valid ROA: 12718 Number of IPv4 prefixes with an invalid ROA: 171 Number of IPv4 prefixes with no ROA: 12628 Total ASes present in the Internet Routing Table: 2728 Prefixes per ASN: 9.35 Origin-only ASes present in the Internet Routing Table: 2361 Origin ASes announcing only one prefix: 1036 Transit ASes present in the Internet Routing Table: 367 Transit-only ASes present in the Internet Routing Table: 66 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 15 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 2 Number of instances of unregistered ASNs: 2 Number of 32-bit ASNs allocated by the RIRs: 44505 Number of 32-bit ASNs visible in the Routing Table: 641 Prefixes from 32-bit ASNs in the Routing Table: 4620 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 5 Number of addresses announced to Internet: 239959840 Equivalent to 14 /8s, 77 /16s and 127 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3383 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4597 Total APNIC prefixes after maximum aggregation: 2265 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4653 Unique aggregates announced from the APNIC address blocks: 2606 APNIC Region origin ASes present in the Internet Routing Table: 545 APNIC Prefixes per ASN: 8.54 APNIC Region origin ASes announcing only one prefix: 232 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 209 Number of APNIC addresses announced to Internet: 45677120 Equivalent to 2 /8s, 184 /16s and 250 /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, 131072-153913 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: 14980 Total ARIN prefixes after maximum aggregation: 6779 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 14738 Unique aggregates announced from the ARIN address blocks: 7569 ARIN Region origin ASes present in the Internet Routing Table: 1256 ARIN Prefixes per ASN: 11.73 ARIN Region origin ASes announcing only one prefix: 441 ARIN Region transit ASes present in the Internet Routing Table: 157 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 210 Number of ARIN addresses announced to Internet: 129931505 Equivalent to 7 /8s, 190 /16s and 152 /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, 393216-402332 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: 3615 Total RIPE prefixes after maximum aggregation: 2885 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3790 Unique aggregates announced from the RIPE address blocks: 3170 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 299 RIPE Region transit ASes present in the Internet Routing Table: 100 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 151 Number of RIPE addresses announced to Internet: 57692560 Equivalent to 3 /8s, 112 /16s and 81 /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 196608-216475 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: 1457 Total LACNIC prefixes after maximum aggregation: 634 LACNIC Deaggregation factor: 2.30 Prefixes being announced from the LACNIC address blocks: 1462 Unique aggregates announced from the LACNIC address blocks: 802 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 9.49 LACNIC Region origin ASes announcing only one prefix: 48 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60 Number of LACNIC addresses announced to Internet: 4249183 Equivalent to 0 /8s, 64 /16s and 214 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 866 Total AfriNIC prefixes after maximum aggregation: 150 AfriNIC Deaggregation factor: 5.77 Prefixes being announced from the AfriNIC address blocks: 869 Unique aggregates announced from the AfriNIC address blocks: 201 AfriNIC Region origin ASes present in the Internet Routing Table: 31 AfriNIC Prefixes per ASN: 28.03 AfriNIC Region origin ASes announcing only one prefix: 16 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 9 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11 Number of AfriNIC addresses announced to Internet: 2408192 Equivalent to 0 /8s, 36 /16s and 191 /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 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 1237 192 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 130 19 18 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2762 3638 408 GOOGLE-CLOUD-PLATFORM, US 16509 2189 1717 950 AMAZON-02, US 14618 918 4166 698 AMAZON-AES, US 15169 820 1997 61 GOOGLE, US 376 203 162 152 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 2920 177 34 7 LACOE, US 36492 165 12 38 GOOGLEWIFI, US 270 162 345 88 AS270, US 2152 150 507 94 CSUNET-NW, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 786 187 1767 184 JANET Jisc Services Limited, GB 8895 159 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 27 73 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 74 26 64 RUNNET, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 156 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 117 25 55 Red Universitaria Nacional, CL 27947 117 0 89 Telconet S.A, EC 271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 36 4 3 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 380 319 71 TENET-1, ZA 36914 255 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37654 14 1 8 RwEdNet-AS, RW 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2762 3638 408 GOOGLE-CLOUD-PLATFORM, US 16509 2189 1717 950 AMAZON-02, US 14618 918 4166 698 AMAZON-AES, US 15169 820 1997 61 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 2018 380 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutsch 36914 255 82 3 KENET-AS, KE 376 203 162 152 RISQ-AS, CA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2189 1239 AMAZON-02, US 15169 820 759 GOOGLE, US 7497 443 419 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 36914 255 252 KENET-AS, KE 14618 918 220 AMAZON-AES, US 5786 199 198 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 177 170 LACOE, US 8895 159 154 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US 199.91.149.0/24 Origin: 14618 AMAZON-AES, US 199.91.149.0/24 Transit: 16509 AMAZON-02, US 204.153.219.0/24 Origin: 14618 AMAZON-AES, US 204.153.219.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:1 /11:4 /12:19 /13:35 /14:81 /15:160 /16:2107 /17:510 /18:502 /19:735 /20:2801 /21:1058 /22:1661 /23:1744 /24:13732 /25:75 /26:51 /27:67 /28:21 /29:78 /30:31 /31:38 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 323 2189 AMAZON-02, US 14618 301 918 AMAZON-AES, US 15169 275 820 GOOGLE, US 36914 242 255 KENET-AS, KE 396982 222 2762 GOOGLE-CLOUD-PLATFORM, US 8895 154 159 ISU Internet Services Unit ISU, SA 27947 92 117 Telconet S.A, EC 32440 84 118 LONI, US 23024 51 108 OCDE, US 327700 40 46 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 3:88 5:21 8:28 12:1 13:45 14:90 15:71 16:112 18:68 23:109 24:3 31:3 34:23 35:48 36:1 38:10 40:5 41:201 42:10 43:2 44:7 45:56 46:11 47:1 49:9 50:5 52:551 54:163 59:19 60:6 61:3 62:9 63:36 64:159 65:15 66:85 67:64 68:15 69:41 70:44 71:3 72:11 74:151 75:1 76:47 77:13 78:3 79:10 80:13 81:26 82:7 83:7 84:7 85:45 86:5 87:3 88:1 89:21 91:60 92:5 93:5 94:2 95:2 96:7 97:1 98:10 99:47 101:3 102:7 103:295 104:226 107:34 108:105 109:12 114:32 115:1 116:10 117:62 118:34 119:21 121:11 122:8 123:8 124:41 125:5 128:88 129:39 130:139 131:65 132:66 133:157 134:108 135:3 136:299 137:66 138:58 139:17 140:42 141:6 142:261 143:24 144:40 145:3 146:144 147:75 148:203 149:17 150:42 151:19 152:138 153:14 154:32 155:75 156:142 157:29 158:39 159:152 160:30 161:30 162:101 163:66 164:24 165:66 166:1 167:20 168:156 169:10 170:155 171:1 172:113 173:116 174:2 175:18 176:10 177:6 178:2 179:6 180:15 182:1 184:6 185:109 186:3 187:17 188:18 189:3 190:2 191:13 192:1516 193:281 194:127 195:73 196:154 197:119 198:482 199:312 200:247 201:34 202:614 203:428 204:381 205:156 206:213 207:235 208:146 209:174 210:190 211:14 212:165 213:17 216:192 217:13 218:22 219:5 220:17 222:2 223:14 End of report