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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 13 22:10:43 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Wed 13 Dec, 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:                               25774
    Prefixes after maximum aggregation (per Origin AS):           12551
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       14154
    Number of IPv4 prefixes with a valid ROA:                     12692
    Number of IPv4 prefixes with an invalid ROA:                    191
    Number of IPv4 prefixes with no ROA:                          12891
Total ASes present in the Internet Routing Table:                  2781
    Prefixes per ASN:                                              9.27
Origin-only ASes present in the Internet Routing Table:            2392
Origin ASes announcing only one prefix:                            1071
Transit ASes present in the Internet Routing Table:                 389
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 47805)                              11
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:                      43228
Number of 32-bit ASNs visible in the Routing Table:                 658
Prefixes from 32-bit ASNs in the Routing Table:                    4719
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:              7
Number of addresses announced to Internet:                    241937468
    Equivalent to 14 /8s, 107 /16s and 172 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3606

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

Prefixes being announced by APNIC Region ASes:                     4665
    Total APNIC prefixes after maximum aggregation:                2287
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4715
    Unique aggregates announced from the APNIC address blocks:     2642
APNIC Region origin ASes present in the Internet Routing Table:     545
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        5.8
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45582400
    Equivalent to 2 /8s, 183 /16s and 136 /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, 131072-153913
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:                     14537
    Total ARIN prefixes after maximum aggregation:                 6515
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14335
    Unique aggregates announced from the ARIN address blocks:      7326
ARIN Region origin ASes present in the Internet Routing Table:     1242
    ARIN Prefixes per ASN:                                        11.54
ARIN Region origin ASes announcing only one prefix:                 439
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:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     201
Number of ARIN addresses announced to Internet:               131554945
    Equivalent to 7 /8s, 215 /16s and 94 /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:                      3650
    Total RIPE prefixes after maximum aggregation:                 2899
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3804
    Unique aggregates announced from the RIPE address blocks:      3127
RIPE Region origin ASes present in the Internet Routing Table:      702
    RIPE Prefixes per ASN:                                         5.42
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     151
Number of RIPE addresses announced to Internet:                58003968
    Equivalent to 3 /8s, 117 /16s and 18 /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
                       196608-216475
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:                    1560
    Total LACNIC prefixes after maximum aggregation:                664
    LACNIC Deaggregation factor:                                   2.35
Prefixes being announced from the LACNIC address blocks:           1562
    Unique aggregates announced from the LACNIC address blocks:     825
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       9.58
LACNIC Region origin ASes announcing only one prefix:                53
LACNIC Region transit ASes present in the Internet Routing Table:    29
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4132219
    Equivalent to 0 /8s, 63 /16s and 13 /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:                   1351
    Total AfriNIC prefixes after maximum aggregation:               177
    AfriNIC Deaggregation factor:                                  7.63
Prefixes being announced from the AfriNIC address blocks:          1351
    Unique aggregates announced from the AfriNIC address blocks:    227
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     25.02
AfriNIC Region origin ASes announcing only one prefix:               28
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:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
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         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  1237         196         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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        2730       3637     381  GOOGLE-CLOUD-PLATFORM, US
 16509        2187       1640     885  AMAZON-02, US
 14618         844       4028     636  AMAZON-AES, US
 15169         828       1997      60  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         191         16       1  UPRENET, PR
 36492         165         12      38  GOOGLEWIFI, US
  2152         145        507      93  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, 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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         155         24       3  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          76        462      76  BELWUE BelWue-Koordination, DE
  3267          62         69      51  RUNNET, RU

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         250        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         113          0      91  Telconet S.A, EC
 11340         107         25      51  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          51         17       4  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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
 36914         532         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
327687         160         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          12          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA

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        2730       3637     381  GOOGLE-CLOUD-PLATFORM, US
 16509        2187       1640     885  AMAZON-02, US
 14618         844       4028     636  AMAZON-AES, US
 15169         828       1997      60  GOOGLE, US
  2907         603       2162     466  SINET-AS Research Organization of Infor
 36914         532         82       3  KENET-AS, KE
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  1916         250        176      43  Rede Nacional de Ensino e Pesquisa, BR

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        2187         1302  AMAZON-02, US
 15169         828          768  GOOGLE, US
 36914         532          529  KENET-AS, KE
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 14618         844          208  AMAZON-AES, US
  1916         250          207  Rede Nacional de Ensino e Pesquisa, BR
  5786         191          190  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         160          157  RENU, UG

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
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US
     11570  UNALLOCATED  204.134.85.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
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
216.117.204.0/24     Origin:     14618  AMAZON-AES, US
216.117.204.0/24    Transit:     16509  AMAZON-02, US
216.117.205.0/24     Origin:     14618  AMAZON-AES, US
216.117.205.0/24    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       /12:19      
/13:34      /14:81      /15:161     /16:2105    /17:513     /18:493     
/19:740     /20:2794    /21:1038    /22:1667    /23:1731    /24:13989   
/25:89      /26:66      /27:73      /28:20      /29:78      /30:34      
/31:33      /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         517         532  KENET-AS, KE
 16509         298        2187  AMAZON-02, US
 15169         276         828  GOOGLE, US
 14618         269         844  AMAZON-AES, US
396982         200        2730  GOOGLE-CLOUD-PLATFORM, US
  8895         150         155  ISU Internet Services Unit ISU, SA
 27947          91         113  Telconet S.A, EC
 32440          80         112  LONI, US
 23024          52         109  OCDE, US
  1916          40         250  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         3:82        5:20        8:28       12:1        13:45     
  14:88       15:70       16:112      18:66       23:111      24:3      
  31:9        34:21       35:51       38:9        40:5        41:228    
  42:10       43:2        44:9        45:60       46:11       47:1      
  49:9        50:3        52:558      54:228      58:1        59:19     
  60:5        61:3        62:11       63:35       64:161      65:12     
  66:73       67:61       68:14       69:35       70:44       71:3      
  72:13       74:145      76:47       77:11       78:3        79:10     
  80:13       81:25       82:7        83:7        84:10       85:32     
  86:4        87:4        88:1        89:19       91:57       92:5      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:3       102:35      103:298     104:217     107:33     
 108:104     109:10      111:16      114:31      115:1       116:8      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:40      125:5       128:87      129:48      130:138     131:68     
 132:63      133:155     134:109     135:3       136:289     137:141    
 138:10      139:17      140:40      141:7       142:280     143:23     
 144:41      145:3       146:136     147:69      148:202     149:16     
 150:44      151:16      152:135     153:14      154:30      155:73     
 156:68      157:24      158:38      159:148     160:30      161:28     
 162:92      163:73      164:23      165:52      166:1       167:24     
 168:152     169:12      170:144     171:1       172:114     173:117    
 174:2       175:18      176:11      177:6       178:1       179:9      
 180:15      182:1       184:2       185:109     186:3       187:18     
 188:20      189:3       190:4       191:13      192:1500    193:318    
 194:122     195:96      196:204     197:330     198:482     199:304    
 200:319     201:35      202:627     203:425     204:374     205:149    
 206:204     207:178     208:135     209:166     210:195     211:14     
 212:160     213:15      216:169     217:12      218:22      219:5      
 220:16      222:2       223:14     

End of report


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