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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 25 17:10:57 UTC 2021


Global R&E Routing Table Report   17:10 GMT Sun 25 Jul, 2021

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

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

BGP routing table entries examined:                               18605
    Prefixes after maximum aggregation (per Origin AS):           10417
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11709
Total ASes present in the Internet Routing Table:                  2720
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            2336
Origin ASes announcing only one prefix:                            1080
Transit ASes present in the Internet Routing Table:                 384
Transit-only ASes present in the Internet Routing Table:             65
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      16
    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:                 589
Prefixes from 32-bit ASNs in the Routing Table:                    1708
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:                    206516464
    Equivalent to 12 /8s, 79 /16s and 48 /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:        2040

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

Prefixes being announced by APNIC Region ASes:                     4769
    Total APNIC prefixes after maximum aggregation:                2350
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4771
    Unique aggregates announced from the APNIC address blocks:     2697
APNIC Region origin ASes present in the Internet Routing Table:     571
    APNIC Prefixes per ASN:                                        8.36
APNIC Region origin ASes announcing only one prefix:                242
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    213
Number of APNIC addresses announced to Internet:               46270272
    Equivalent to 2 /8s, 194 /16s and 7 /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:                      7943
    Total ARIN prefixes after maximum aggregation:                 4523
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             7965
    Unique aggregates announced from the ARIN address blocks:      5134
ARIN Region origin ASes present in the Internet Routing Table:     1176
    ARIN Prefixes per ASN:                                         6.77
ARIN Region origin ASes announcing only one prefix:                 421
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         5.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     146
Number of ARIN addresses announced to Internet:                95224688
    Equivalent to 5 /8s, 173 /16s and 3 /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:                      3418
    Total RIPE prefixes after maximum aggregation:                 2752
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3415
    Unique aggregates announced from the RIPE address blocks:      2758
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.04
RIPE Region origin ASes announcing only one prefix:                 323
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:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     130
Number of RIPE addresses announced to Internet:                58114432
    Equivalent to 3 /8s, 118 /16s and 193 /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:                    1564
    Total LACNIC prefixes after maximum aggregation:                587
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1562
    Unique aggregates announced from the LACNIC address blocks:     814
LACNIC Region origin ASes present in the Internet Routing Table:    176
    LACNIC Prefixes per ASN:                                       8.88
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.8
    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:               4214976
    Equivalent to 0 /8s, 64 /16s and 80 /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:                    887
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.74
Prefixes being announced from the AfriNIC address blocks:           887
    Unique aggregates announced from the AfriNIC address blocks:    301
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.10
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:                      4.6
    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:              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         619       2155     456  UNALLOCATED
  7497         436        214      25  UNALLOCATED
  1237         192         75     137  UNALLOCATED
  7575         179        330     125  UNALLOCATED
 58647         176         18       2  UNALLOCATED
  4538         168       4192      72  UNALLOCATED
 55824         128         19      22  UNALLOCATED
  4621          81         37      10  UNALLOCATED
  4762          65          4       1  UNALLOCATED
 23570          59          5      11  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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         155        507      87  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED
  2920         112         34       6  UNALLOCATED
 21976          86         51      18  UNALLOCATED
  1736          80         16       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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          66        647      61  UNALLOCATED
  2614          62         32      59  UNALLOCATED
  1930          57         81      52  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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
  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/URAN/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          96         82       3  UNALLOCATED
  2561          75          5      33  UNALLOCATED
  8094          55         48       4  UNALLOCATED
327700          38         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/URAN/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         619       2155     456  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
  1916         202        207      41  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  1237         192         75     137  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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         176          174  UNALLOCATED
  8895         173          169  UNALLOCATED
  1916         202          161  UNALLOCATED
 18558         137          133  UNALLOCATED
327687         134          131  UNALLOCATED
 55824         128          106  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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/URAN/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/URAN/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/URAN/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      
/13:19      /14:37      /15:118     /16:2025    /17:383     /18:422     
/19:583     /20:868     /21:899     /22:1409    /23:1510    /24:10129   
/25:77      /26:58      /27:50      /28:1       /29:0       /30:0       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
  8895         168         173  UNALLOCATED
 27884          90          93  UNALLOCATED
 36914          83          96  UNALLOCATED
 23024          53          56  UNALLOCATED
 28614          32          38  UNALLOCATED
327700          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
263282          30          37  UNALLOCATED
 27609          29          45  UNALLOCATED
 32440          29          44  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/URAN/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       23:7        24:5        31:6        37:6        38:9      
  40:1        41:139      42:30       44:5        45:64       46:7      
  47:1        49:10       50:1        52:1        58:4        59:20     
  60:4        61:4        62:7        63:34       64:46       65:1      
  66:36       67:44       68:8        69:17       71:1        72:11     
  74:19       76:32       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       103:294     104:11      106:1       108:8       109:8      
 110:3       111:20      112:4       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      131:96     
 132:60      133:137     134:93      136:192     137:146     138:10     
 139:5       140:47      141:2       142:43      143:39      144:54     
 146:125     147:66      148:159     149:13      150:38      151:6      
 152:77      153:11      154:24      155:49      156:64      157:25     
 158:44      159:117     160:25      161:16      162:20      163:63     
 164:40      165:16      166:1       167:16      168:130     169:10     
 170:51      172:2       173:2       175:32      176:8       177:8      
 178:1       179:12      180:21      181:11      182:5       184:6      
 185:40      186:3       187:17      188:13      189:6       190:138    
 191:35      192:1419    193:252     194:144     195:94      196:168    
 197:4       198:473     199:265     200:252     201:38      202:634    
 203:426     204:347     205:167     206:180     207:167     208:54     
 209:113     210:187     211:14      212:168     213:4       214:7      
 216:78      217:16      218:26      219:14      220:24      222:4      
 223:2      

End of report


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