[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sun Apr 30 22:10:49 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sun 30 Apr, 2023

  IPv4 BGP Table (R&E) as seen at CEDIA.

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

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

BGP routing table entries examined:                               25135
    Prefixes after maximum aggregation (per Origin AS):           12413
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):       14068
    Number of IPv4 prefixes with a valid ROA:                     10970
    Number of IPv4 prefixes with an invalid ROA:                    187
    Number of IPv4 prefixes with no ROA:                          13978
Total ASes present in the Internet Routing Table:                  2777
    Prefixes per ASN:                                              9.05
Origin-only ASes present in the Internet Routing Table:            2391
Origin ASes announcing only one prefix:                            1064
Transit ASes present in the Internet Routing Table:                 386
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41772
Number of 32-bit ASNs visible in the Routing Table:                 654
Prefixes from 32-bit ASNs in the Routing Table:                    4520
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              3
Number of addresses announced to Internet:                    243271232
    Equivalent to 14 /8s, 128 /16s and 6 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        3327

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

Prefixes being announced by APNIC Region ASes:                     4671
    Total APNIC prefixes after maximum aggregation:                2315
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4719
    Unique aggregates announced from the APNIC address blocks:     2683
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.15
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    226
Number of APNIC addresses announced to Internet:               45840448
    Equivalent to 2 /8s, 187 /16s and 120 /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, 131072-151865
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:                     14213
    Total ARIN prefixes after maximum aggregation:                 6346
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:            14020
    Unique aggregates announced from the ARIN address blocks:      7159
ARIN Region origin ASes present in the Internet Routing Table:     1227
    ARIN Prefixes per ASN:                                        11.43
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     190
Number of ARIN addresses announced to Internet:               132652449
    Equivalent to 7 /8s, 232 /16s and 29 /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:                      3642
    Total RIPE prefixes after maximum aggregation:                 2880
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3788
    Unique aggregates announced from the RIPE address blocks:      3090
RIPE Region origin ASes present in the Internet Routing Table:      688
    RIPE Prefixes per ASN:                                         5.51
RIPE Region origin ASes announcing only one prefix:                 308
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                58037248
    Equivalent to 3 /8s, 117 /16s and 148 /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:                    1651
    Total LACNIC prefixes after maximum aggregation:                689
    LACNIC Deaggregation factor:                                   2.40
Prefixes being announced from the LACNIC address blocks:           1654
    Unique aggregates announced from the LACNIC address blocks:     902
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                      10.34
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4072799
    Equivalent to 0 /8s, 62 /16s and 37 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    952
    Total AfriNIC prefixes after maximum aggregation:               177
    AfriNIC Deaggregation factor:                                  5.38
Prefixes being announced from the AfriNIC address blocks:           951
    Unique aggregates announced from the AfriNIC address blocks:    231
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     18.65
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2667264
    Equivalent to 0 /8s, 40 /16s and 179 /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         608       2155     467  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         192         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         117         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2635       3590     366  GOOGLE-CLOUD-PLATFORM, US
 16509        2058       1640     794  AMAZON-02, US
 15169         803       2254      63  GOOGLE, US
 14618         772       3999     570  AMAZON-AES, US
   376         201        178     150  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         140        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
 36492         123          9      30  GOOGLEWIFI, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         174         24       3  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         119          0      88  Telconet S.A, EC
 11340         114         25      51  Red Universitaria Nacional, CL
  1251          60         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         382        319      72  TENET-1, ZA
 36914         253         82       3  KENET-AS, KE
327687          62         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2635       3590     366  GOOGLE-CLOUD-PLATFORM, US
 16509        2058       1640     794  AMAZON-02, US
 15169         803       2254      63  GOOGLE, US
 14618         772       3999     570  AMAZON-AES, US
  2907         608       2155     467  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         253         82       3  KENET-AS, KE

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

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

   ASN  No of nets  Net Savings  Description
 16509        2058         1264  AMAZON-02, US
 15169         803          740  GOOGLE, US
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
 36914         253          250  KENET-AS, KE
  1916         263          219  Rede Nacional de Ensino e Pesquisa, BR
 14618         772          202  AMAZON-AES, US
  5786         199          198  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         174          171  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /11:4       /12:20      
/13:34      /14:81      /15:160     /16:2088    /17:492     /18:479     
/19:726     /20:2780    /21:1022    /22:1637    /23:1707    /24:13448   
/25:95      /26:74      /27:96      /28:27      /29:80      /30:41      
/31:30      /32:11      

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

   ASN  No of nets  Total ann.  Description
 16509         286        2058  AMAZON-02, US
 15169         276         803  GOOGLE, US
 14618         255         772  AMAZON-AES, US
 36914         240         253  KENET-AS, KE
396982         182        2635  GOOGLE-CLOUD-PLATFORM, US
  8895         169         174  ISU Internet Services Unit ISU, SA
 27947          92         119  Telconet S.A, EC
 32440          80         108  LONI, US
 23024          52         113  OCDE, US
  1916          40         263  Rede Nacional de Ensino e Pesquisa, BR

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

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

   1:2         3:68        5:17        8:28       12:1        13:42     
  14:88       15:66       16:101      18:51       23:116      24:3      
  31:10       34:10       35:48       37:1        38:9        40:1      
  41:109      42:10       44:7        45:53       46:10       47:1      
  49:6        50:2        52:559      54:228      58:1        59:20     
  60:4        61:3        62:12       63:36       64:161      65:13     
  66:64       67:59       68:10       69:35       70:43       71:3      
  72:13       74:144      76:45       77:11       78:3        79:10     
  80:17       81:28       82:7        83:6        84:10       85:47     
  86:5        87:2        88:1        89:17       91:55       92:3      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:7       102:16      103:327     104:202     107:33     
 108:99      109:12      110:2       111:16      114:31      115:1      
 116:8       117:61      118:32      119:21      121:29      122:8      
 123:8       124:39      125:4       128:86      129:45      130:143    
 131:59      132:60      133:157     134:100     135:4       136:292    
 137:105     138:10      139:17      140:39      141:4       142:252    
 143:27      144:39      145:2       146:143     147:65      148:201    
 149:16      150:130     151:13      152:146     153:14      154:31     
 155:65      156:69      157:40      158:42      159:148     160:27     
 161:33      162:63      163:79      164:20      165:57      166:1      
 167:23      168:161     169:11      170:111     171:1       172:113    
 173:112     174:2       175:31      176:11      177:9       178:1      
 179:9       180:15      182:1       184:3       185:90      186:3      
 187:19      188:19      189:3       190:5       191:36      192:1450   
 193:317     194:128     195:85      196:168     197:157     198:481    
 199:300     200:300     201:36      202:591     203:432     204:363    
 205:147     206:200     207:187     208:128     209:160     210:186    
 211:17      212:170     213:15      216:166     217:11      218:22     
 219:6       220:16      222:5       223:4      

End of report


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