Analysis Summary ---------------- BGP routing table entries examined: 653163 Prefixes after maximum aggregation (per Origin AS): 256544 Deaggregation factor: 2.55 Unique aggregates announced (without unneeded subnets): 320400 Total ASes present in the Internet Routing Table: 58341 Prefixes per ASN: 11.20 Origin-only ASes present in the Internet Routing Table: 50333 Origin ASes announcing only one prefix: 22276 Transit ASes present in the Internet Routing Table: 8008 Transit-only ASes present in the Internet Routing Table: 236 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 50 Max AS path prepend of ASN ( 55644) 46 Prefixes from unregistered ASNs in the Routing Table: 533 Number of instances of unregistered ASNs: 539 Number of 32-bit ASNs allocated by the RIRs: 20032 Number of 32-bit ASNs visible in the Routing Table: 15836 Prefixes from 32-bit ASNs in the Routing Table: 64572 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 368 Number of addresses announced to Internet: 2874187264 Equivalent to 171 /8s, 80 /16s and 158 /24s Percentage of available address space announced: 77.6 Percentage of allocated address space announced: 77.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.7 Total number of prefixes smaller than registry allocations: 217444 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 172396 Total APNIC prefixes after maximum aggregation: 51067 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 172748 Unique aggregates announced from the APNIC address blocks: 74905 APNIC Region origin ASes present in the Internet Routing Table: 8263 APNIC Prefixes per ASN: 20.91 APNIC Region origin ASes announcing only one prefix: 2334 APNIC Region transit ASes present in the Internet Routing Table: 1184 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 50 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3194 Number of APNIC addresses announced to Internet: 764066304 Equivalent to 45 /8s, 138 /16s and 186 /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, 131072-137529 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: 198989 Total ARIN prefixes after maximum aggregation: 95656 ARIN Deaggregation factor: 2.08 Prefixes being announced from the ARIN address blocks: 200550 Unique aggregates announced from the ARIN address blocks: 93757 ARIN Region origin ASes present in the Internet Routing Table: 17935 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 6636 ARIN Region transit ASes present in the Internet Routing Table: 1781 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2194 Number of ARIN addresses announced to Internet: 1109568000 Equivalent to 66 /8s, 34 /16s and 170 /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, 393216-397212 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, 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: 177298 Total RIPE prefixes after maximum aggregation: 86870 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 173643 Unique aggregates announced from the RIPE address blocks: 104635 RIPE Region origin ASes present in the Internet Routing Table: 24402 RIPE Prefixes per ASN: 7.12 RIPE Region origin ASes announcing only one prefix: 11184 RIPE Region transit ASes present in the Internet Routing Table: 3528 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6196 Number of RIPE addresses announced to Internet: 713276416 Equivalent to 42 /8s, 131 /16s and 188 /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 196608-207259 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: 84874 Total LACNIC prefixes after maximum aggregation: 18962 LACNIC Deaggregation factor: 4.48 Prefixes being announced from the LACNIC address blocks: 86119 Unique aggregates announced from the LACNIC address blocks: 39732 LACNIC Region origin ASes present in the Internet Routing Table: 6385 LACNIC Prefixes per ASN: 13.49 LACNIC Region origin ASes announcing only one prefix: 1776 LACNIC Region transit ASes present in the Internet Routing Table: 1171 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3907 Number of LACNIC addresses announced to Internet: 171102976 Equivalent to 10 /8s, 50 /16s and 211 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + 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: 17832 Total AfriNIC prefixes after maximum aggregation: 3867 AfriNIC Deaggregation factor: 4.61 Prefixes being announced from the AfriNIC address blocks: 19734 Unique aggregates announced from the AfriNIC address blocks: 7076 AfriNIC Region origin ASes present in the Internet Routing Table: 1071 AfriNIC Prefixes per ASN: 18.43 AfriNIC Region origin ASes announcing only one prefix: 345 AfriNIC Region transit ASes present in the Internet Routing Table: 211 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 22 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 345 Number of AfriNIC addresses announced to Internet: 93432832 Equivalent to 5 /8s, 145 /16s and 172 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,