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

REN Routing Table Report cscora at frr.nsrc.org
Sat Jul 24 17:10:59 UTC 2021


Global R&E Routing Table Report   17:10 GMT Sat 24 Jul, 2021

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

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

BGP routing table entries examined:                               18692
    Prefixes after maximum aggregation (per Origin AS):           10514
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11792
Total ASes present in the Internet Routing Table:                  2748
    Prefixes per ASN:                                              6.80
Origin-only ASes present in the Internet Routing Table:            2360
Origin ASes announcing only one prefix:                            1091
Transit ASes present in the Internet Routing Table:                 388
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:                      36696
Number of 32-bit ASNs visible in the Routing Table:                 595
Prefixes from 32-bit ASNs in the Routing Table:                    1727
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:                    207396560
    Equivalent to 12 /8s, 92 /16s and 158 /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:        2045

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

Prefixes being announced by APNIC Region ASes:                     4768
    Total APNIC prefixes after maximum aggregation:                2350
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4770
    Unique aggregates announced from the APNIC address blocks:     2697
APNIC Region origin ASes present in the Internet Routing Table:     573
    APNIC Prefixes per ASN:                                        8.32
APNIC Region origin ASes announcing only one prefix:                244
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:    214
Number of APNIC addresses announced to Internet:               46205248
    Equivalent to 2 /8s, 193 /16s and 9 /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:                      8029
    Total ARIN prefixes after maximum aggregation:                 4619
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8055
    Unique aggregates announced from the ARIN address blocks:      5219
ARIN Region origin ASes present in the Internet Routing Table:     1202
    ARIN Prefixes per ASN:                                         6.70
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     159
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:     151
Number of ARIN addresses announced to Internet:                96170320
    Equivalent to 5 /8s, 187 /16s and 113 /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:             3411
    Unique aggregates announced from the RIPE address blocks:      2754
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:                58113408
    Equivalent to 3 /8s, 118 /16s and 189 /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:                    1566
    Total LACNIC prefixes after maximum aggregation:                588
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1564
    Unique aggregates announced from the LACNIC address blocks:     816
LACNIC Region origin ASes present in the Internet Routing Table:    176
    LACNIC Prefixes per ASN:                                       8.89
LACNIC Region origin ASes announcing only one prefix:                70
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:               4215488
    Equivalent to 0 /8s, 64 /16s and 82 /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         618       2139     455  SINET-AS Research Organization of Infor
  7497         435        214      25  CSTNET-AS-AP Computer Network Informati
  1237         192         75     137  KREONET-AS-KR KISTI, KR
  7575         178        330     124  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  4538         168       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4621          81         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  5786         177         16       1  UPRENET, PR
  2152         155        507      87  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         117        297      87  AS270, US
  2920         112         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US

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  DFN Verein zur Foerderung eines Deutsch
   786         187       1779     185  JANET Jisc Services Limited, GB
  8895         173         24       4  ISU Internet Services Unit ISU, SA
   559         116        550     107  SWITCH Peering requests: peering at switch
  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          66        647      61  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
 27884          93          6       2  CABLECOLOR S.A., HN
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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  TENET-1, ZA
327687         134         28       3  RENU, UG
 36914          96         82       3  KENET-AS, KE
  2561          75          5      33  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          30          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          8       2  UG-AS, GH
 37182          11          8       1  TERNET, TZ

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         618       2139     455  SINET-AS Research Organization of Infor
  7497         435        214      25  CSTNET-AS-AP Computer Network Informati
  2018         329        319      74  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
  7896         246         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
   668         209        702     180  DNIC-AS-00668, US
  1916         202        207      41  Associacao Rede Nacional de Ensino e Pe
  1237         192         75     137  KREONET-AS-KR KISTI, KR
   786         187       1779     185  JANET Jisc Services Limited, GB

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         435          410  CSTNET-AS-AP Computer Network Information Cente
  2018         329          255  TENET-1, ZA
  7896         246          239  NU-AS, US
  5786         177          176  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         173          169  ISU Internet Services Unit ISU, SA
  1916         202          161  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         134          131  RENU, UG
 55824         128          106  NKN-CORE-NW NKN Core Network, IN

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  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
     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

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  SURFNET-NL SURFnet, The Netherlands, NL

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  UNASSIGNED
                    Transit:    327992  GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, 
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
192.107.242.0/24     Origin:    394784  UNASSIGNED
                    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
                    Transit:     40831  PHS, US

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     /16:2036    /17:385     /18:423     
/19:587     /20:874     /21:909     /22:1420    /23:1524    /24:10157   
/25:78      /26:58      /27:49      /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  ISU Internet Services Unit ISU, SA
 27884          90          93  CABLECOLOR S.A., HN
 36914          83          96  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
 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

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        45:62       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      
  66:37       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       103:293     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      129:174     130:95      131:96     
 132:60      133:137     134:93      136:170     137:145     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      192:1433    193:252     194:144     195:94      196:169    
 197:4       198:482     199:274     200:254     201:38      202:634    
 203:426     204:348     205:176     206:181     207:167     208:56     
 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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