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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 25 19:05:59 UTC 2021


Global R&E Routing Table Report   19:05 GMT Sun 25 Jul, 2021

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

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

BGP routing table entries examined:                               19012
    Prefixes after maximum aggregation (per Origin AS):           10641
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       12017
Total ASes present in the Internet Routing Table:                  2789
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            2382
Origin ASes announcing only one prefix:                            1105
Transit ASes present in the Internet Routing Table:                 407
Transit-only ASes present in the Internet Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.5
    Max AS path length visible:                                      22
    Max AS path prepend of ASN (207352)                              12
Prefixes from unregistered ASNs in the Routing Table:                26
    Number of instances of unregistered ASNs:                        26
Number of 32-bit ASNs allocated by the RIRs:                      36704
Number of 32-bit ASNs visible in the Routing Table:                 604
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:                    1
Prefixes being announced from unallocated address space:              5
Number of addresses announced to Internet:                    208683776
    Equivalent to 12 /8s, 112 /16s and 67 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        1990

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

Prefixes being announced by APNIC Region ASes:                     4871
    Total APNIC prefixes after maximum aggregation:                2359
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4873
    Unique aggregates announced from the APNIC address blocks:     2692
APNIC Region origin ASes present in the Internet Routing Table:     574
    APNIC Prefixes per ASN:                                        8.49
APNIC Region origin ASes announcing only one prefix:                241
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    217
Number of APNIC addresses announced to Internet:               46339840
    Equivalent to 2 /8s, 195 /16s and 23 /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:                      8327
    Total ARIN prefixes after maximum aggregation:                 4748
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8344
    Unique aggregates announced from the ARIN address blocks:      5450
ARIN Region origin ASes present in the Internet Routing Table:     1231
    ARIN Prefixes per ASN:                                         6.78
ARIN Region origin ASes announcing only one prefix:                 449
ARIN Region transit ASes present in the Internet Routing Table:     167
Average ARIN Region AS path length visible:                         6.0
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:     156
Number of ARIN addresses announced to Internet:                97322496
    Equivalent to 5 /8s, 205 /16s and 6 /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:                      3361
    Total RIPE prefixes after maximum aggregation:                 2739
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3365
    Unique aggregates announced from the RIPE address blocks:      2754
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         4.99
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     110
Average RIPE Region AS path length visible:                         4.8
    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:                58113536
    Equivalent to 3 /8s, 118 /16s and 190 /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:                    1541
    Total LACNIC prefixes after maximum aggregation:                588
    LACNIC Deaggregation factor:                                   2.62
Prefixes being announced from the LACNIC address blocks:           1539
    Unique aggregates announced from the LACNIC address blocks:     815
LACNIC Region origin ASes present in the Internet Routing Table:    176
    LACNIC Prefixes per ASN:                                       8.74
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:                       6.2
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    74
Number of LACNIC addresses announced to Internet:               4215808
    Equivalent to 0 /8s, 64 /16s and 84 /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:                    886
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.74
Prefixes being announced from the AfriNIC address blocks:           886
    Unique aggregates announced from the AfriNIC address blocks:    301
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.08
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:                      6.0
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2686976
    Equivalent to 0 /8s, 41 /16s and 0 /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         607       2155     455  UNALLOCATED
  7497         436        214      25  UNALLOCATED
  1237         189         75     137  UNALLOCATED
  7575         179        330     125  UNALLOCATED
 58647         164         18       2  UNALLOCATED
  4758         157         16       1  UNALLOCATED
 55824         135         19      28  UNALLOCATED
  4538         124       4192      72  UNALLOCATED
  4621          81         37      10  UNALLOCATED
  4762          65          4       1  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         246         51       7  UNALLOCATED
   376         234        180     158  UNALLOCATED
   668         209        702     180  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  2152         159        507      91  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED
 23024         113          7      20  UNALLOCATED
  2920         109         34       6  UNALLOCATED
 21976          86         51      18  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/BDREN/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         141         24       4  UNALLOCATED
   559         116        550     107  UNALLOCATED
  1103          98       1520      85  UNALLOCATED
   137          82        677      77  UNALLOCATED
   553          72        449      72  UNALLOCATED
  2200          66        647      61  UNALLOCATED
  2614          62         32      59  UNALLOCATED
  1930          57         81      52  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         178        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
  4270          44         16       1  UNALLOCATED
 19611          44         17       2  UNALLOCATED
 61468          41          3      15  UNALLOCATED
 28614          38          2       2  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         329        319      74  UNALLOCATED
327687         135         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/BDREN/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         607       2155     455  UNALLOCATED
  7497         436        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
  5786         201         16       1  UNALLOCATED
  1237         189         75     137  UNALLOCATED
   786         187       1779     185  UNALLOCATED

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

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

   ASN  No of nets  Net Savings  Description
  7497         436          411  UNALLOCATED
  2018         329          255  UNALLOCATED
  7896         246          239  UNALLOCATED
  5786         201          200  UNALLOCATED
 58647         164          162  UNALLOCATED
  4758         157          156  UNALLOCATED
  1916         178          137  UNALLOCATED
  8895         141          137  UNALLOCATED
 18558         137          133  UNALLOCATED
327687         135          132  UNALLOCATED

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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  UNALLOCATED

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

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

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNALLOCATED
                    Transit:    327992  UNALLOCATED
192.31.196.0/24      Origin:       112  UNALLOCATED
                    Transit:      1103  UNALLOCATED
192.88.99.0/24       Origin:      1103  UNALLOCATED
                    Transit:     20965  UNALLOCATED
192.107.242.0/24     Origin:    394784  UNALLOCATED
                    Transit:     40831  UNALLOCATED
205.166.145.0/24     Origin:    394784  UNALLOCATED
                    Transit:     40831  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/BDREN/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       /10:2       /11:1       /12:10      
/13:18      /14:37      /15:118     /16:2052    /17:386     /18:421     
/19:602     /20:903     /21:915     /22:1437    /23:1547    /24:10562   
/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
  8895         136         141  UNALLOCATED
 27884          90          93  UNALLOCATED
 36914          82          95  UNALLOCATED
 23024          53         113  UNALLOCATED
 28614          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
327700          31          37  UNALLOCATED
263282          30          37  UNALLOCATED
 18632          29          55  UNALLOCATED
 27609          29          45  UNALLOCATED

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

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

   1:5         5:15        6:4         8:2        12:1        14:84     
  18:41       23:8        24:6        31:6        37:6        38:9      
  40:1        41:137      42:26       44:5        45:64       46:7      
  47:1        49:10       50:4        52:1        58:1        59:20     
  60:4        61:4        62:7        63:38       64:55       65:5      
  66:53       67:45       68:8        69:17       71:1        72:14     
  74:19       76:33       77:6        78:3        79:10       80:14     
  81:32       82:4        83:7        84:4        85:33       86:9      
  87:1        88:1        89:10       91:46       92:1        93:12     
  94:4        95:5        96:5        97:1        98:2       101:2      
 102:9       103:306     104:72      106:1       107:17      108:8      
 109:8       110:3       111:20      112:4       114:23      115:1      
 116:4       117:61      118:35      119:19      121:29      122:8      
 123:8       124:42      125:13      128:81      129:174     130:94     
 131:97      132:60      133:137     134:93      136:193     137:147    
 138:10      139:5       140:50      141:2       142:43      143:39     
 144:54      146:125     147:70      148:160     149:13      150:38     
 151:6       152:77      153:11      154:24      155:49      156:64     
 157:25      158:44      159:117     160:25      161:17      162:28     
 163:65      164:164     165:16      166:1       167:16      168:130    
 169:10      170:67      171:1       172:2       173:7       175:32     
 176:8       177:8       178:1       179:12      180:21      181:11     
 182:6       184:6       185:40      186:3       187:18      188:13     
 189:6       190:138     191:35      192:1443    193:252     194:144    
 195:94      196:169     197:4       198:515     199:275     200:254    
 201:39      202:632     203:434     204:360     205:177     206:191    
 207:177     208:60      209:121     210:190     211:14      212:168    
 213:4       214:7       216:79      217:16      218:26      219:8      
 220:24      222:4       223:2      

End of report


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