[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Seattle) R&E view

REN Routing Table Report cscora at frr.nsrc.org
Tue Sep 14 21:00:26 UTC 2021


Global R&E Routing Table Report   21:00 GMT Tue 14 Sep, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET-Seattle/

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

BGP routing table entries examined:                               14169
    Prefixes after maximum aggregation (per Origin AS):            8280
    Deaggregation factor:                                          1.71
    Unique aggregates announced (without unneeded subnets):        9294
Total ASes present in the Internet Routing Table:                  2080
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            1801
Origin ASes announcing only one prefix:                             816
Transit ASes present in the Internet Routing Table:                 279
Transit-only ASes present in the Internet Routing Table:             40
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      37205
Number of 32-bit ASNs visible in the Routing Table:                 364
Prefixes from 32-bit ASNs in the Routing Table:                    1053
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:              2
Number of addresses announced to Internet:                    166016512
    Equivalent to 9 /8s, 229 /16s and 54 /24s
    Percentage of available address space announced:                4.5
    Percentage of allocated address space announced:                4.5
    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:        1392

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

Prefixes being announced by APNIC Region ASes:                     2165
    Total APNIC prefixes after maximum aggregation:                1046
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            2162
    Unique aggregates announced from the APNIC address blocks:     1235
APNIC Region origin ASes present in the Internet Routing Table:     166
    APNIC Prefixes per ASN:                                       13.02
APNIC Region origin ASes announcing only one prefix:                 60
APNIC Region transit ASes present in the Internet Routing Table:     12
Average APNIC Region AS path length visible:                        2.7
    Max APNIC Region AS path length visible:                         10
Number of APNIC region 32-bit ASNs visible in the Routing Table:     18
Number of APNIC addresses announced to Internet:               22172928
    Equivalent to 1 /8s, 82 /16s and 85 /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:                      7783
    Total ARIN prefixes after maximum aggregation:                 4482
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             7798
    Unique aggregates announced from the ARIN address blocks:      5073
ARIN Region origin ASes present in the Internet Routing Table:     1184
    ARIN Prefixes per ASN:                                         6.59
ARIN Region origin ASes announcing only one prefix:                 429
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     152
Number of ARIN addresses announced to Internet:                93952000
    Equivalent to 5 /8s, 153 /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, 393216-401308
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:                      2454
    Total RIPE prefixes after maximum aggregation:                 2112
    RIPE Deaggregation factor:                                     1.16
Prefixes being announced from the RIPE address blocks:             2453
    Unique aggregates announced from the RIPE address blocks:      2161
RIPE Region origin ASes present in the Internet Routing Table:      490
    RIPE Prefixes per ASN:                                         5.01
RIPE Region origin ASes announcing only one prefix:                 248
RIPE Region transit ASes present in the Internet Routing Table:      80
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     104
Number of RIPE addresses announced to Internet:                44003328
    Equivalent to 2 /8s, 159 /16s and 112 /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:                    1288
    Total LACNIC prefixes after maximum aggregation:                508
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1286
    Unique aggregates announced from the LACNIC address blocks:     649
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       7.75
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    19
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    71
Number of LACNIC addresses announced to Internet:               3951616
    Equivalent to 0 /8s, 60 /16s and 76 /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:                    468
    Total AfriNIC prefixes after maximum aggregation:               126
    AfriNIC Deaggregation factor:                                  3.71
Prefixes being announced from the AfriNIC address blocks:           468
    Unique aggregates announced from the AfriNIC address blocks:    174
AfriNIC Region origin ASes present in the Internet Routing Table:    30
    AfriNIC Prefixes per ASN:                                     15.60
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    5
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   19
Number of AfriNIC addresses announced to Internet:              1936128
    Equivalent to 0 /8s, 29 /16s and 139 /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       2156     455  SINET-AS Research Organization of Infor
  7497         426        210      21  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  9317          49         16       1  ITISNET-AS INHA UNIVERSITY, KR
  1659          36       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  9568          32          2       4  KIMM-AS-KR KOREA INSTITUTE OF MACHINERY
 18297          27          4       5  KJISTNET-AS-KR K-JIST, KR
 17579          22          1      16  KREONET2-AS-KR KISTI, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  5786         195         16       1  UPRENET, PR
  2152         155        507      85  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          78        528      13  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         272       1950     236  DFN Verein zur Foerderung eines Deutsch
   786         186       1763     184  JANET Jisc Services Limited, GB
   559         115        550     106  SWITCH Peering requests: peering at switch
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          61         32      58  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol
200521          47          4      20  SEAP-AGE, ES
   766          37        376      37  REDIRIS RedIRIS Autonomous System, ES

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         178        207      41  Associacao Rede Nacional de Ensino e Pe
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         342        319      74  TENET-1, ZA
  8094          54         48       9  PUKNET, ZA
 37074          11          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37520           5         16       2  Rhodes-Univ, ZA
328358           4          1       1  Makerere-AS, UG
 30983           3          4       1  MARWAN-AS, MA
 37661           3          4       1  NRaE1-AS, NG
328224           3          2       1  University-of-Energy-and-Natural-Resour

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         607       2156     455  SINET-AS Research Organization of Infor
  7497         426        210      21  CSTNET-AS-AP Computer Network Informati
  2018         342        319      74  TENET-1, ZA
   680         272       1950     236  DFN Verein zur Foerderung eines Deutsch
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         210        702     181  DNIC-AS-00668, US
  5786         195         16       1  UPRENET, PR
   786         186       1763     184  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         426          405  CSTNET-AS-AP Computer Network Information Cente
  2018         342          268  TENET-1, ZA
  7896         241          234  NU-AS, US
  5786         195          194  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  1916         178          137  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
  2920         108          102  LACOE, US
  1736          80           79  MU-AS, US
   376         234           76  RISQ-AS, CA

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     14822  UNALLOCATED  140.163.0.0/16           10466  MAGPI, US
     14822  UNALLOCATED  140.163.0.0/17           10466  MAGPI, US
     14822  UNALLOCATED  140.163.6.0/24           10466  MAGPI, US
     14822  UNALLOCATED  140.163.64.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.70.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.128.0/17         10466  MAGPI, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Unassigned Network     ASN Information  AS Name
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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       /12:2       
/13:6       /14:16      /15:54      /16:1741    /17:352     /18:388     
/19:457     /20:710     /21:710     /22:1160    /23:1206    /24:7363    
/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
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          43  LONI, US
 40326          29          33  ECKERD-COLLEGE, US
200521          29          47  SEAP-AGE, ES
 30220          25          26  SWTELCOOP, US
  2614          23          61  ROEDUNET, RO

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

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

   5:15        6:4         8:2        12:1        18:41       23:6      
  24:6        31:6        37:6        38:9        40:1        41:2      
  44:2        45:48       46:6        47:5        49:4        50:1      
  52:1        60:4        62:5        63:34       64:46       65:1      
  66:36       67:43       68:8        69:21       71:1        72:14     
  74:20       76:32       77:2        78:3        79:10       80:11     
  81:28       82:2        83:6        84:3        85:21       88:1      
  89:8        91:36       93:18       94:4        95:4        96:5      
  97:1        98:2       101:2       102:4       103:13      104:15     
 108:8       109:6       114:13      117:61      119:15      124:39     
 128:50      129:173     130:90      131:77      132:48      133:138    
 134:97      136:187     137:68      138:1       139:5       140:48     
 141:2       142:43      143:33      144:32      146:123     147:61     
 148:7       149:13      150:30      151:6       152:68      153:11     
 154:19      155:46      156:61      157:25      158:9       159:117    
 160:25      161:17      162:19      163:66      164:23      165:54     
 166:1       167:13      168:123     169:10      170:51      172:2      
 173:2       176:8       177:10      178:1       179:11      181:11     
 184:6       185:31      186:3       187:17      188:10      189:3      
 190:48      191:36      192:1188    193:160     194:76      195:31     
 196:118     198:475     199:274     200:252     201:38      202:216    
 203:108     204:354     205:172     206:180     207:169     208:57     
 209:117     210:164     211:2       212:36      213:2       214:7      
 216:80      217:14      218:2       219:5       220:3       223:2      


End of report


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