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

REN Routing Table Report cscora at frr.nsrc.org
Tue Apr 13 17:00:12 UTC 2021


Global R&E Routing Table Report   17:00 GMT Tue 13 Apr, 2021

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

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

BGP routing table entries examined:                               18898
    Prefixes after maximum aggregation (per Origin AS):           10522
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11781
Total ASes present in the Internet Routing Table:                  2739
    Prefixes per ASN:                                              6.90
Origin-only ASes present in the Internet Routing Table:            2352
Origin ASes announcing only one prefix:                            1090
Transit ASes present in the Internet Routing Table:                 387
Transit-only ASes present in the Internet Routing Table:             60
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      35683
Number of 32-bit ASNs visible in the Routing Table:                 587
Prefixes from 32-bit ASNs in the Routing Table:                    1700
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:              2
Number of addresses announced to Internet:                    207750811
    Equivalent to 12 /8s, 98 /16s and 6 /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:        2268

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

Prefixes being announced by APNIC Region ASes:                     4713
    Total APNIC prefixes after maximum aggregation:                2351
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4713
    Unique aggregates announced from the APNIC address blocks:     2693
APNIC Region origin ASes present in the Internet Routing Table:     569
    APNIC Prefixes per ASN:                                        8.28
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    216
Number of APNIC addresses announced to Internet:               46454848
    Equivalent to 2 /8s, 196 /16s and 216 /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, 131072-143673
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:                      8078
    Total ARIN prefixes after maximum aggregation:                 4625
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8105
    Unique aggregates announced from the ARIN address blocks:      5229
ARIN Region origin ASes present in the Internet Routing Table:     1209
    ARIN Prefixes per ASN:                                         6.70
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:                         4.1
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     145
Number of ARIN addresses announced to Internet:                96397584
    Equivalent to 5 /8s, 190 /16s and 233 /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:                      3440
    Total RIPE prefixes after maximum aggregation:                 2765
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3428
    Unique aggregates announced from the RIPE address blocks:      2754
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.09
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     109
Average RIPE Region AS path length visible:                         2.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     128
Number of RIPE addresses announced to Internet:                58068107
    Equivalent to 3 /8s, 118 /16s and 12 /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:                    1414
    Total LACNIC prefixes after maximum aggregation:                577
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1412
    Unique aggregates announced from the LACNIC address blocks:     803
LACNIC Region origin ASes present in the Internet Routing Table:    175
    LACNIC Prefixes per ASN:                                       8.07
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    27
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:    75
Number of LACNIC addresses announced to Internet:               4118720
    Equivalent to 0 /8s, 62 /16s and 216 /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:                   1238
    Total AfriNIC prefixes after maximum aggregation:               190
    AfriNIC Deaggregation factor:                                  6.52
Prefixes being announced from the AfriNIC address blocks:          1238
    Unique aggregates announced from the AfriNIC address blocks:    300
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     25.27
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2711040
    Equivalent to 0 /8s, 41 /16s and 94 /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         620       2156     457  SINET-AS Research Organization of Infor
  7497         443        233      33  CSTNET-AS-AP Computer Network Informati
  1237         187         75     132  KREONET-AS-KR KISTI, KR
  7575         186        347     132  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  4538         158       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         127         18      21  NKN-CORE-NW NKN Core Network, IN
  4621          82         37      10  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          55       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        718     175  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         118        297      88  AS270, US
  2920         112         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
 22742          84         61      45  CT-EDU-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   786         187       1787     185  JANET Jisc Services Limited, GB
  8895         173         24       4  ISU Internet Services Unit (ISU), SA
   559         115        550     106  SWITCH Peering requests: (peering at switc
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          68        647      62  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          56         82      51  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         196        215      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          67         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         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

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         397         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
327687         134         28       3  RENU, UG
327700          84         16       1  MoRENet, MZ
  2561          74          5      34  EUN, EG
  8094          55         48       4  PUKNET, ZA
 37215          29          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          21          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         620       2156     457  SINET-AS Research Organization of Infor
  7497         443        233      33  CSTNET-AS-AP Computer Network Informati
 36914         397         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         261         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        718     175  DNIC-AS-00668, US
  5786         201         16       1  UPRENET, PR
  1916         196        215      41  Associacao Rede Nacional de Ensino e Pe

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

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

   ASN  No of nets  Net Savings  Description
  7497         443          410  CSTNET-AS-AP Computer Network Information Cente
 36914         397          394  KENET-AS, KE
  7896         261          254  NU-AS, US
  2018         325          251  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         173          169  ISU Internet Services Unit (ISU), SA
  1916         196          155  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         134          131  RENU, UG
 18558         134          130  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/GEANT/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  FLORIDANET, US
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.23.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.252.0/22          11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.218.0/24         11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.219.0/24         11096  FLORIDANET, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     36843  UNALLOCATED  162.223.23.0/24          11096  FLORIDANET, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
                    Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
                    Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/GEANT/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     /16:2042    /17:389     /18:420     
/19:586     /20:880     /21:929     /22:1406    /23:1504    /24:10335   
/25:78      /26:57      /27:53      /28:1       /29:0       /30:0       
/31:0       /32:30      

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

   ASN  No of nets  Total ann.  Description
 36914         371         397  KENET-AS, KE
  8895         168         173  ISU Internet Services Unit (ISU), SA
327700          78          84  MoRENet, MZ
 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          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:4         5:15        6:4         8:2        12:1        14:84     
  18:41       23:5        24:5        31:6        37:6        38:9      
  40:1        41:286      42:28       44:5        45:59       46:7      
  47:1        49:10       50:1        52:1        58:4        59:20     
  60:4        61:4        62:11       63:34       64:46       65:2      
  66:29       67:44       68:8        69:17       71:1        72:11     
  74:18       76:32       77:4        78:3        79:10       80:14     
  81:33       82:3        83:7        84:9        85:35       86:9      
  87:1        88:1        89:10       91:48       92:1        93:13     
  94:4        95:4        96:5        97:1        98:2       101:7      
 102:7       103:299     104:14      106:1       108:8       109:8      
 110:3       111:16      112:4       114:23      115:1       116:6      
 117:63      118:35      119:18      121:30      122:9       123:8      
 124:40      125:13      128:78      129:220     130:91      131:99     
 132:58      133:137     134:88      136:192     137:148     138:13     
 139:5       140:45      141:2       142:43      143:35      144:67     
 146:125     147:64      148:158     149:13      150:36      151:5      
 152:77      153:11      154:24      155:53      156:65      157:25     
 158:44      159:114     160:26      161:15      162:18      163:63     
 164:39      165:14      166:1       167:15      168:120     169:9      
 170:50      172:1       173:2       175:32      176:8       177:7      
 178:1       179:12      180:21      182:5       184:3       185:40     
 186:3       187:17      188:13      189:6       190:43      191:35     
 192:1429    193:249     194:142     195:99      196:169     197:192    
 198:489     199:274     200:247     201:38      202:594     203:403    
 204:348     205:180     206:185     207:168     208:55      209:114    
 210:170     211:14      212:165     213:4       214:7       216:65     
 217:16      218:26      219:14      220:24      222:4       223:1      


End of report


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