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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jul 23 18:00:57 UTC 2021


Global R&E Routing Table Report   18:00 GMT Fri 23 Jul, 2021

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

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

BGP routing table entries examined:                               14215
    Prefixes after maximum aggregation (per Origin AS):            8392
    Deaggregation factor:                                          1.69
    Unique aggregates announced (without unneeded subnets):        9363
Total ASes present in the Internet Routing Table:                  2139
    Prefixes per ASN:                                              6.65
Origin-only ASes present in the Internet Routing Table:            1848
Origin ASes announcing only one prefix:                             872
Transit ASes present in the Internet Routing Table:                 291
Transit-only ASes present in the Internet Routing Table:             36
Average AS path length visible in the Internet Routing Table:       5.5
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (207352)                              12
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:                      36681
Number of 32-bit ASNs visible in the Routing Table:                 462
Prefixes from 32-bit ASNs in the Routing Table:                    1334
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:              1
Number of addresses announced to Internet:                    177594560
    Equivalent to 10 /8s, 149 /16s and 224 /24s
    Percentage of available address space announced:                4.8
    Percentage of allocated address space announced:                4.8
    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:        1466

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

Prefixes being announced by APNIC Region ASes:                     3862
    Total APNIC prefixes after maximum aggregation:                2041
    APNIC Deaggregation factor:                                    1.89
Prefixes being announced from the APNIC address blocks:            3864
    Unique aggregates announced from the APNIC address blocks:     2263
APNIC Region origin ASes present in the Internet Routing Table:     456
    APNIC Prefixes per ASN:                                        8.47
APNIC Region origin ASes announcing only one prefix:                200
APNIC Region transit ASes present in the Internet Routing Table:     46
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    169
Number of APNIC addresses announced to Internet:               44793568
    Equivalent to 2 /8s, 171 /16s and 126 /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:                      5523
    Total ARIN prefixes after maximum aggregation:                 3301
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             5533
    Unique aggregates announced from the ARIN address blocks:      3778
ARIN Region origin ASes present in the Internet Routing Table:      872
    ARIN Prefixes per ASN:                                         6.35
ARIN Region origin ASes announcing only one prefix:                 315
ARIN Region transit ASes present in the Internet Routing Table:     110
Average ARIN Region AS path length visible:                         6.0
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     107
Number of ARIN addresses announced to Internet:                71800032
    Equivalent to 4 /8s, 71 /16s and 148 /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:                      3038
    Total RIPE prefixes after maximum aggregation:                 2442
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3038
    Unique aggregates announced from the RIPE address blocks:      2535
RIPE Region origin ASes present in the Internet Routing Table:      594
    RIPE Prefixes per ASN:                                         5.11
RIPE Region origin ASes announcing only one prefix:                 287
RIPE Region transit ASes present in the Internet Routing Table:      94
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     113
Number of RIPE addresses announced to Internet:                55642016
    Equivalent to 3 /8s, 81 /16s and 7 /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:                     974
    Total LACNIC prefixes after maximum aggregation:                442
    LACNIC Deaggregation factor:                                   2.20
Prefixes being announced from the LACNIC address blocks:            972
    Unique aggregates announced from the LACNIC address blocks:     555
LACNIC Region origin ASes present in the Internet Routing Table:    132
    LACNIC Prefixes per ASN:                                       7.36
LACNIC Region origin ASes announcing only one prefix:                50
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.2
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    50
Number of LACNIC addresses announced to Internet:               2761056
    Equivalent to 0 /8s, 42 /16s and 33 /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:                    807
    Total AfriNIC prefixes after maximum aggregation:               156
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:           806
    Unique aggregates announced from the AfriNIC address blocks:    231
AfriNIC Region origin ASes present in the Internet Routing Table:    45
    AfriNIC Prefixes per ASN:                                     17.91
AfriNIC Region origin ASes announcing only one prefix:               20
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2593792
    Equivalent to 0 /8s, 39 /16s and 148 /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       2155     455  SINET-AS Research Organization of Infor
  7497         428        209      20  CSTNET-AS-AP Computer Network Informati
  1237         192         75     137  KREONET-AS-KR KISTI, KR
  7575         179        330     125  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
  2697          55          3      31  ERX-ERNET-AS Education and Research Net
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
132524          48          9      11  TIFR-AS Tata Institute of Fundamental R

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         213        178     140  RISQ-AS, CA
  5786         201         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
  3477          67         70      39  NOAA-NWAVE, US
 22742          67         52      33  CT-EDU-NET, US

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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          95       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
  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
  1653          52        151      49  SUNET SUNET Swedish University Network,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         117        121      51  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          51         53      33  Fundacao Carlos Chagas Filho de Amparo 
  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
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
 20191          31         16       1  Pontificia Universidad Catolica de Chil

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         326        319      72  TENET-1, ZA
327687         135         28       3  RENU, UG
 36914          97         82       3  KENET-AS, KE
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          30          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         618       2155     455  SINET-AS Research Organization of Infor
  7497         428        209      20  CSTNET-AS-AP Computer Network Informati
  2018         326        319      72  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   376         213        178     140  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  1237         192         75     137  KREONET-AS-KR KISTI, KR
   786         187       1779     185  JANET Jisc Services Limited, GB
  7575         179        330     125  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
  7497         428          408  CSTNET-AS-AP Computer Network Information Cente
  2018         326          254  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
 18558         137          133  NETBLK-RCOEK, US
327687         135          132  RENU, UG
 55824         128          106  NKN-CORE-NW NKN Core Network, IN
  2920         112          106  LACOE, US
  4538         168           96  ERX-CERNET-BKB China Education and Research Net

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, 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
     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

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

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

Prefix                Origin AS  Description
0.0.0.0/0                 36884  MAROCCONNECT, MA

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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, 

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /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      /14:35      /15:102     /16:1689    /17:275     /18:300     
/19:449     /20:658     /21:718     /22:1105    /23:1158    /24:7508    
/25:77      /26:58      /27:49      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
  8895         168         173  ISU Internet Services Unit ISU, SA
 36914          84          97  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 25977          29          32  HCCS, US
200521          28          44  SEAP-AGE, ES
  1916          24         117  Associacao Rede Nacional de Ensino e Pesquisa, 
  2614          24          62  ROEDUNET, RO

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

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

   1:2         5:15        8:2        12:1        14:84       23:2      
  24:2        31:1        37:6        38:5        41:140      42:9      
  44:4        45:36       46:6        49:10       58:4        59:10     
  60:4        61:3        62:6        63:4        64:13       66:6      
  67:41       68:1        69:13       72:11       74:16       76:10     
  77:6        78:3        79:10       80:11       81:29       82:2      
  83:7        84:3        85:22       86:9        87:1        88:1      
  89:10       91:45       93:11       94:2        95:4        96:5      
 101:3       102:8       103:222     104:5       106:1       108:4      
 109:8       110:3       111:16      112:4       114:18      116:4      
 117:2       118:17      119:19      121:27      122:8       123:8      
 124:42      128:65      129:33      130:83      131:90      132:52     
 133:137     134:83      136:191     137:124     138:10      139:4      
 140:34      141:2       142:40      143:32      144:27      146:121    
 147:29      148:7       149:12      150:19      151:5       152:62     
 153:6       154:24      155:35      156:64      157:25      158:41     
 159:116     160:25      161:16      162:15      163:59      164:35     
 165:16      167:16      168:99      169:10      170:40      172:2      
 173:1       175:20      176:8       177:6       178:1       179:10     
 180:21      182:5       184:3       185:30      186:2       187:17     
 188:13      189:6       190:53      191:25      192:1195    193:176    
 194:97      195:59      196:169     197:4       198:336     199:185    
 200:162     201:22      202:375     203:282     204:308     205:97     
 206:138     207:130     208:45      209:92      210:177     211:2      
 212:168     213:2       216:45      217:15      218:5       219:13     
 220:9       222:4       223:2      

End of report


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