[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 25 20:15:57 UTC 2021


Global R&E Routing Table Report   20:15 GMT Sun 25 Jul, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                               20321
    Prefixes after maximum aggregation (per Origin AS):           11058
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12484
Total ASes present in the Internet Routing Table:                  2768
    Prefixes per ASN:                                              7.34
Origin-only ASes present in the Internet Routing Table:            2368
Origin ASes announcing only one prefix:                            1086
Transit ASes present in the Internet Routing Table:                 400
Transit-only ASes present in the Internet Routing Table:             75
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (207352)                              12
Prefixes from unregistered ASNs in the Routing Table:                24
    Number of instances of unregistered ASNs:                        24
Number of 32-bit ASNs allocated by the RIRs:                      36704
Number of 32-bit ASNs visible in the Routing Table:                 596
Prefixes from 32-bit ASNs in the Routing Table:                    1731
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:              8
Number of addresses announced to Internet:                    268260567
    Equivalent to 15 /8s, 253 /16s and 84 /24s
    Percentage of available address space announced:                7.2
    Percentage of allocated address space announced:                7.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        2563

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4986
    Total APNIC prefixes after maximum aggregation:                2431
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4945
    Unique aggregates announced from the APNIC address blocks:     2766
APNIC Region origin ASes present in the Internet Routing Table:     573
    APNIC Prefixes per ASN:                                        8.63
APNIC Region origin ASes announcing only one prefix:                240
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    213
Number of APNIC addresses announced to Internet:               47150700
    Equivalent to 2 /8s, 207 /16s and 118 /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, 131072-147769
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:                      9405
    Total ARIN prefixes after maximum aggregation:                 5065
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             9422
    Unique aggregates announced from the ARIN address blocks:      5773
ARIN Region origin ASes present in the Internet Routing Table:     1211
    ARIN Prefixes per ASN:                                         7.78
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     152
Number of ARIN addresses announced to Internet:               153732257
    Equivalent to 9 /8s, 41 /16s and 196 /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, 393216-401308
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:                      3442
    Total RIPE prefixes after maximum aggregation:                 2764
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3479
    Unique aggregates announced from the RIPE address blocks:      2810
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.14
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     109
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     131
Number of RIPE addresses announced to Internet:                59745162
    Equivalent to 3 /8s, 143 /16s and 163 /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
                       196608-213403
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:                    1579
    Total LACNIC prefixes after maximum aggregation:                593
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1578
    Unique aggregates announced from the LACNIC address blocks:     822
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.92
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    74
Number of LACNIC addresses announced to Internet:               4740928
    Equivalent to 0 /8s, 72 /16s and 87 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                    885
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:           889
    Unique aggregates announced from the AfriNIC address blocks:    305
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.14
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2820352
    Equivalent to 0 /8s, 43 /16s and 9 /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         630       2155     456  UNALLOCATED
  7497         435        214      25  UNALLOCATED
 58647         198         18       2  UNALLOCATED
  1237         195         75     137  UNALLOCATED
  7575         179        330     125  UNALLOCATED
  4538         168       4192      72  UNALLOCATED
 55824         129         19      23  UNALLOCATED
 45102         100        202      53  UNALLOCATED
  4621          81         37      10  UNALLOCATED
  4762          65          4       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         745       3282      67  UNALLOCATED
  7896         246         51       7  UNALLOCATED
   376         234        180     158  UNALLOCATED
   668         209        702     180  UNALLOCATED
  8075         205      11189     184  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  6939         170        121     123  UNALLOCATED
  2152         160        507      91  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  UNALLOCATED
   786         187       1779     185  UNALLOCATED
  8895         173         24       4  UNALLOCATED
   559         116        550     107  UNALLOCATED
  1103          98       1520      85  UNALLOCATED
   137          82        677      77  UNALLOCATED
   553          72        449      72  UNALLOCATED
  2200          67        647      61  UNALLOCATED
  2614          62         32      59  UNALLOCATED
  1930          57         81      52  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         202        207      41  UNALLOCATED
 28391         152         10      66  UNALLOCATED
 11340          94         24      54  UNALLOCATED
 27884          93          6       2  UNALLOCATED
  1251          65         37      20  UNALLOCATED
  2715          60        102      40  UNALLOCATED
 61468          45          3      15  UNALLOCATED
  4270          44         16       1  UNALLOCATED
 19611          44         17       2  UNALLOCATED
 28614          38          2       2  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         329        319      74  UNALLOCATED
327687         134         28       3  UNALLOCATED
 36914          95         82       3  UNALLOCATED
  2561          75          5      33  UNALLOCATED
  8094          55         48       4  UNALLOCATED
327700          37         16       1  UNALLOCATED
 37215          30          8       1  UNALLOCATED
  6879          24          2       9  UNALLOCATED
 37074          11          8       2  UNALLOCATED
 37182          11          8       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         745       3282      67  UNALLOCATED
  2907         630       2155     456  UNALLOCATED
  7497         435        214      25  UNALLOCATED
  2018         329        319      74  UNALLOCATED
   680         273       1996     235  UNALLOCATED
  7896         246         51       7  UNALLOCATED
   376         234        180     158  UNALLOCATED
   668         209        702     180  UNALLOCATED
  8075         205      11189     184  UNALLOCATED
  1916         202        207      41  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         435          410  UNALLOCATED
  2018         329          255  UNALLOCATED
  7896         246          239  UNALLOCATED
  5786         201          200  UNALLOCATED
 58647         198          196  UNALLOCATED
  2907         630          174  UNALLOCATED
  8895         173          169  UNALLOCATED
  1916         202          161  UNALLOCATED
 18558         137          133  UNALLOCATED
327687         134          131  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     36843  UNALLOCATED  64.56.80.0/23            11096  UNALLOCATED
     19658  UNALLOCATED  65.205.131.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  108.59.20.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  108.59.23.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  131.91.183.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  131.91.252.0/22          11096  UNALLOCATED
     14822  UNALLOCATED  140.163.0.0/16           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.0.0/17           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.6.0/24           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.64.0/24          10466  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
172.16.150.0/24            9489  UNALLOCATED
172.16.160.0/24            9489  UNALLOCATED
172.30.0.0/16              9489  UNALLOCATED
192.88.99.0/24             1103  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-dsua

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNALLOCATED
                    Transit:    327992  UNALLOCATED
172.16.150.0/24      Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
172.16.160.0/24      Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
172.30.0.0/16        Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
192.31.196.0/24      Origin:       112  UNALLOCATED
                    Transit:      7500  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:6       /12:24      
/13:37      /14:84      /15:149     /16:2161    /17:420     /18:458     
/19:719     /20:916     /21:945     /22:1464    /23:1575    /24:11038   
/25:83      /26:65      /27:54      /28:37      /29:32      /30:18      
/31:0       /32:31      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 15169         275         745  UNALLOCATED
  8895         168         173  UNALLOCATED
 27884          90          93  UNALLOCATED
 36914          82          95  UNALLOCATED
  6939          69         170  UNALLOCATED
 23024          53         113  UNALLOCATED
 58647          34         198  UNALLOCATED
 28614          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
327700          31          37  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:5         5:17        6:4         8:4        12:1        13:1      
  14:84       18:41       23:14       24:6        31:6        35:1      
  37:6        38:9        40:1        41:137      42:31       44:5      
  45:72       46:7        47:11       49:10       50:4        52:2      
  58:4        59:20       60:4        61:4        62:7        63:38     
  64:84       65:8        66:60       67:45       68:8        69:17     
  70:9        71:1        72:24       74:82       76:33       77:6      
  78:3        79:10       80:14       81:32       82:4        83:7      
  84:9        85:33       86:9        87:1        88:1        89:10     
  91:47       92:1        93:12       94:4        95:5        96:5      
  97:1        98:2       101:3       102:9       103:306     104:74     
 106:1       107:16      108:43      109:8       110:5       111:21     
 112:4       113:1       114:23      115:1       116:4       117:61     
 118:35      119:19      121:30      122:8       123:8       124:42     
 125:13      128:81      129:171     130:93      131:102     132:60     
 133:137     134:97      136:193     137:146     138:10      139:5      
 140:52      141:2       142:155     143:39      144:54      146:125    
 147:68      148:160     149:13      150:41      151:6       152:77     
 153:11      154:24      155:50      156:65      157:25      158:44     
 159:117     160:25      161:19      162:23      163:65      164:40     
 165:16      166:1       167:17      168:131     169:10      170:67     
 171:1       172:93      173:86      175:32      176:8       177:8      
 178:1       179:12      180:21      181:11      182:6       184:8      
 185:45      186:3       187:18      188:13      189:6       190:138    
 191:35      192:1438    193:254     194:145     195:94      196:169    
 197:4       198:528     199:275     200:256     201:39      202:634    
 203:439     204:365     205:172     206:190     207:177     208:70     
 209:131     210:190     211:14      212:168     213:4       214:7      
 216:127     217:16      218:26      219:14      220:24      222:4      
 223:4      

End of report


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