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

REN Routing Table Report cscora at frr.nsrc.org
Thu Oct 14 18:00:31 UTC 2021


Global R&E Routing Table Report   18:00 GMT Thu 14 Oct, 2021

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

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

BGP routing table entries examined:                               14108
    Prefixes after maximum aggregation (per Origin AS):            8186
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):        9019
Total ASes present in the Internet Routing Table:                  2148
    Prefixes per ASN:                                              6.57
Origin-only ASes present in the Internet Routing Table:            1852
Origin ASes announcing only one prefix:                             896
Transit ASes present in the Internet Routing Table:                 296
Transit-only ASes present in the Internet Routing Table:             34
Average AS path length visible in the Internet Routing Table:       5.5
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (  5474)                              11
Prefixes from unregistered ASNs in the Routing Table:                14
    Number of instances of unregistered ASNs:                        14
Number of 32-bit ASNs allocated by the RIRs:                      37491
Number of 32-bit ASNs visible in the Routing Table:                 475
Prefixes from 32-bit ASNs in the Routing Table:                    1374
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:              0
Number of addresses announced to Internet:                    173592800
    Equivalent to 10 /8s, 88 /16s and 208 /24s
    Percentage of available address space announced:                4.7
    Percentage of allocated address space announced:                4.7
    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:        1530

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

Prefixes being announced by APNIC Region ASes:                     3915
    Total APNIC prefixes after maximum aggregation:                2061
    APNIC Deaggregation factor:                                    1.90
Prefixes being announced from the APNIC address blocks:            3917
    Unique aggregates announced from the APNIC address blocks:     2267
APNIC Region origin ASes present in the Internet Routing Table:     456
    APNIC Prefixes per ASN:                                        8.59
APNIC Region origin ASes announcing only one prefix:                196
APNIC Region transit ASes present in the Internet Routing Table:     48
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    163
Number of APNIC addresses announced to Internet:               44794464
    Equivalent to 2 /8s, 171 /16s and 130 /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:                      5164
    Total ARIN prefixes after maximum aggregation:                 3022
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             5187
    Unique aggregates announced from the ARIN address blocks:      3442
ARIN Region origin ASes present in the Internet Routing Table:      835
    ARIN Prefixes per ASN:                                         6.21
ARIN Region origin ASes announcing only one prefix:                 309
ARIN Region transit ASes present in the Internet Routing Table:     109
Average ARIN Region AS path length visible:                         6.1
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     107
Number of ARIN addresses announced to Internet:                67153440
    Equivalent to 4 /8s, 0 /16s and 174 /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:                      3175
    Total RIPE prefixes after maximum aggregation:                 2531
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3166
    Unique aggregates announced from the RIPE address blocks:      2598
RIPE Region origin ASes present in the Internet Routing Table:      629
    RIPE Prefixes per ASN:                                         5.03
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:      96
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     121
Number of RIPE addresses announced to Internet:                56043456
    Equivalent to 3 /8s, 87 /16s and 39 /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:                    1018
    Total LACNIC prefixes after maximum aggregation:                410
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1016
    Unique aggregates announced from the LACNIC address blocks:     488
LACNIC Region origin ASes present in the Internet Routing Table:    144
    LACNIC Prefixes per ASN:                                       7.06
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    59
Number of LACNIC addresses announced to Internet:               3011744
    Equivalent to 0 /8s, 45 /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:                    822
    Total AfriNIC prefixes after maximum aggregation:               156
    AfriNIC Deaggregation factor:                                  5.27
Prefixes being announced from the AfriNIC address blocks:           821
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     17.47
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      5.4
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2589696
    Equivalent to 0 /8s, 39 /16s and 132 /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         427        182      24  CSTNET-AS-AP Computer Network Informati
  1237         188         74     135  KREONET-AS-KR KISTI, KR
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
  4538         172       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          53       1434      33  ERX-TANET-ASN1 Taiwan Academic Network 
  9317          49         16       1  ITISNET-AS INHA UNIVERSITY, KR

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
  5786         201         16       1  UPRENET, PR
  2152         156        507      85  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   376         131         10      77  RISQ-AS, CA
  2920         112         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
  3477          69         70      40  NOAA-NWAVE, US
 22742          67         52      33  CT-EDU-NET, US
 15296          64          5      54  CYBERA, CA

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         276       1998     238  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  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          67        647      61  FR-RENATER Reseau National de telecommu
  2614          61         33      59  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol
  1653          52        167      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         187        162      33  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
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          32         26      15  UNIVERSIDADE DE SAO PAULO, BR
 20191          31         16       1  Pontificia Universidad Catolica de Chil
271640          27          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  3597          23          2      17  Fundacion InnovaT, AR

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         341        319      71  TENET-1, ZA
327687         133         28       3  RENU, UG
 36914          99         82       3  KENET-AS, KE
  8094          50         48       4  PUKNET, ZA
327700          39         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          13          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         620       2156     457  SINET-AS Research Organization of Infor
  7497         427        182      24  CSTNET-AS-AP Computer Network Informati
  2018         341        319      71  TENET-1, ZA
   680         276       1998     238  DFN Verein zur Foerderung eines Deutsch
  5786         201         16       1  UPRENET, PR
  1237         188         74     135  KREONET-AS-KR KISTI, KR
  1916         187        162      33  Associacao Rede Nacional de Ensino e Pe
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         24       4  ISU Internet Services Unit ISU, SA
 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         427          403  CSTNET-AS-AP Computer Network Information Cente
  2018         341          270  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         177          173  ISU Internet Services Unit ISU, SA
  1916         187          154  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         133          130  RENU, UG
 55824         128          106  NKN-CORE-NW NKN Core Network, IN
  2920         112          106  LACOE, US

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
     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
    396334  UNALLOCATED  205.143.136.0/21          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.136.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.137.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.138.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.139.0/24          5078  ONENET-AS-1, 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

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      /14:33      /15:108     /16:1636    /17:274     /18:298     
/19:439     /20:665     /21:722     /22:1111    /23:1180    /24:7420    
/25:74      /26:59      /27:55      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
  8895         172         177  ISU Internet Services Unit ISU, SA
 36914          86          99  KENET-AS, KE
 23024          53          56  OCDE, US
327700          33          39  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          29          36  HCCS, US
200521          29          48  SEAP-AGE, ES
  1916          27         187  Associacao Rede Nacional de Ensino e Pesquisa, 
 37215          26          32  MAREN, MW
 30220          25          25  SWTELCOOP, US

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      
  24:5        31:1        37:6        38:4        41:146      42:9      
  44:4        45:33       46:6        49:10       58:4        59:11     
  60:4        61:3        62:6        63:5        64:12       66:23     
  67:35       68:1        69:17       72:12       74:14       76:17     
  77:6        78:3        79:10       80:17       81:27       82:2      
  83:7        84:3        85:29       86:9        87:1        88:1      
  89:10       91:46       93:18       94:2        95:3        96:5      
 101:4       102:14      103:217     104:4       106:1       108:4      
 109:9       110:3       111:16      112:4       114:18      116:5      
 117:2       118:17      119:19      121:27      122:8       124:39     
 128:66      129:32      130:84      131:78      132:50      133:138    
 134:88      136:192     137:102     138:9       139:4       140:33     
 141:2       142:21      143:28      144:27      146:120     147:26     
 148:7       149:12      150:19      151:6       152:23      153:6      
 154:24      155:36      156:66      157:25      158:39      159:116    
 160:25      161:16      162:8       163:60      164:36      165:53     
 166:1       167:11      168:99      169:8       170:40      172:1      
 173:1       175:21      176:8       177:6       178:1       179:6      
 180:21      182:6       184:1       185:33      186:1       187:18     
 188:13      189:3       190:47      192:1064    193:184     194:111    
 195:59      196:181     197:5       198:319     199:187     200:218    
 201:38      202:386     203:281     204:299     205:122     206:122    
 207:126     208:43      209:88      210:181     211:13      212:171    
 213:4       216:43      217:14      218:5       219:13      220:9      
 222:5       223:2      

End of report


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