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

REN Routing Table Report cscora at frr.nsrc.org
Sun Apr 18 17:00:12 UTC 2021


Global R&E Routing Table Report   17:00 GMT Sun 18 Apr, 2021

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

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

BGP routing table entries examined:                               18931
    Prefixes after maximum aggregation (per Origin AS):           10555
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11817
Total ASes present in the Internet Routing Table:                  2746
    Prefixes per ASN:                                              6.89
Origin-only ASes present in the Internet Routing Table:            2357
Origin ASes announcing only one prefix:                            1095
Transit ASes present in the Internet Routing Table:                 389
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:                      35756
Number of 32-bit ASNs visible in the Routing Table:                 589
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:                    207846299
    Equivalent to 12 /8s, 99 /16s and 123 /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:        2288

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

Prefixes being announced by APNIC Region ASes:                     4724
    Total APNIC prefixes after maximum aggregation:                2361
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4724
    Unique aggregates announced from the APNIC address blocks:     2701
APNIC Region origin ASes present in the Internet Routing Table:     576
    APNIC Prefixes per ASN:                                        8.20
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    218
Number of APNIC addresses announced to Internet:               46458688
    Equivalent to 2 /8s, 196 /16s and 231 /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:                      8076
    Total ARIN prefixes after maximum aggregation:                 4624
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8102
    Unique aggregates announced from the ARIN address blocks:      5226
ARIN Region origin ASes present in the Internet Routing Table:     1207
    ARIN Prefixes per ASN:                                         6.71
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     160
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:                96395792
    Equivalent to 5 /8s, 190 /16s and 226 /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:                      3443
    Total RIPE prefixes after maximum aggregation:                 2769
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3432
    Unique aggregates announced from the RIPE address blocks:      2757
RIPE Region origin ASes present in the Internet Routing Table:      676
    RIPE Prefixes per ASN:                                         5.08
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     110
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:     129
Number of RIPE addresses announced to Internet:                58203275
    Equivalent to 3 /8s, 120 /16s and 28 /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:                    1430
    Total LACNIC prefixes after maximum aggregation:                581
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1428
    Unique aggregates announced from the LACNIC address blocks:     810
LACNIC Region origin ASes present in the Internet Routing Table:    174
    LACNIC Prefixes per ASN:                                       8.21
LACNIC Region origin ASes announcing only one prefix:                73
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:    73
Number of LACNIC addresses announced to Internet:               4125888
    Equivalent to 0 /8s, 62 /16s and 244 /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:                   1243
    Total AfriNIC prefixes after maximum aggregation:               206
    AfriNIC Deaggregation factor:                                  6.03
Prefixes being announced from the AfriNIC address blocks:          1243
    Unique aggregates announced from the AfriNIC address blocks:    321
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     24.86
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2662144
    Equivalent to 0 /8s, 40 /16s and 159 /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         186         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         126         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         260         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         117        297      87  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         172         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         202        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
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         398         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
327687         135         28       3  RENU, UG
327700          87         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          20          2      16  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         398         82       3  KENET-AS, KE
  2018         325        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         260         51       7  NU-AS, US
   376         236        180     158  RISQ-AS, CA
   668         209        718     175  DNIC-AS-00668, US
  1916         202        215      41  Associacao Rede Nacional de Ensino e Pe
  5786         201         16       1  UPRENET, PR

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         398          395  KENET-AS, KE
  7896         260          253  NU-AS, US
  2018         325          251  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         172          168  ISU Internet Services Unit (ISU), SA
  1916         202          161  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         135          132  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     /16:2045    /17:387     /18:421     
/19:585     /20:884     /21:929     /22:1407    /23:1508    /24:10355   
/25:76      /26:58      /27:57      /28:1       /29:0       /30:0       
/31:0       /32:30      

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

   ASN  No of nets  Total ann.  Description
 36914         370         398  KENET-AS, KE
  8895         167         172  ISU Internet Services Unit (ISU), SA
327700          81          87  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        14:83     
  18:41       23:5        24:5        31:6        37:6        38:9      
  40:1        41:287      42:29       44:5        45:56       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        83:8        84:9        85:35       86:9      
  87:1        88:1        89:10       91:49       92:1        93:13     
  94:4        95:4        96:5        97:1        98:2       101:7      
 102:9       103:300     104:14      106:1       108:8       109:8      
 110:3       111:16      112:4       114:23      115:1       116:5      
 117:63      118:35      119:18      121:30      122:9       123:8      
 124:40      125:13      128:78      129:219     130:91      131:99     
 132:58      133:137     134:91      136:192     137:148     138:13     
 139:5       140:45      141:2       142:43      143:35      144:67     
 146:124     147:65      148:158     149:13      150:36      151:5      
 152:77      153:11      154:24      155:53      156:64      157:25     
 158:44      159:114     160:26      161:15      162:18      163:63     
 164:39      165:14      166:1       167:15      168:124     169:9      
 170:50      172:1       173:2       175:32      176:8       177:7      
 178:1       179:12      180:21      181:11      182:5       184:3      
 185:39      186:3       187:17      188:13      189:6       190:44     
 191:31      192:1426    193:249     194:142     195:99      196:169    
 197:193     198:488     199:275     200:248     201:38      202:595    
 203:408     204:348     205:180     206:185     207:168     208:55     
 209:114     210:170     211:14      212:166     213:4       214:7      
 216:65      217:16      218:26      219:14      220:24      222:4      
 223:1      

End of report


More information about the ren-bgp-stats-all mailing list