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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Feb 5 22:10:41 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Mon 05 Feb, 2024

  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:                               25801
    Prefixes after maximum aggregation (per Origin AS):           12600
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       14278
    Number of IPv4 prefixes with a valid ROA:                     12629
    Number of IPv4 prefixes with an invalid ROA:                    182
    Number of IPv4 prefixes with no ROA:                          12990
Total ASes present in the Internet Routing Table:                  2751
    Prefixes per ASN:                                              9.38
Origin-only ASes present in the Internet Routing Table:            2362
Origin ASes announcing only one prefix:                            1050
Transit ASes present in the Internet Routing Table:                 389
Transit-only ASes present in the Internet Routing Table:             75
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43573
Number of 32-bit ASNs visible in the Routing Table:                 650
Prefixes from 32-bit ASNs in the Routing Table:                    4806
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:              4
Number of addresses announced to Internet:                    239454319
    Equivalent to 14 /8s, 69 /16s and 200 /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:        3591

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

Prefixes being announced by APNIC Region ASes:                     4645
    Total APNIC prefixes after maximum aggregation:                2269
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4695
    Unique aggregates announced from the APNIC address blocks:     2633
APNIC Region origin ASes present in the Internet Routing Table:     538
    APNIC Prefixes per ASN:                                        8.73
APNIC Region origin ASes announcing only one prefix:                229
APNIC Region transit ASes present in the Internet Routing Table:     57
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:    203
Number of APNIC addresses announced to Internet:               45499200
    Equivalent to 2 /8s, 182 /16s and 67 /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:                     14664
    Total ARIN prefixes after maximum aggregation:                 6570
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14464
    Unique aggregates announced from the ARIN address blocks:      7424
ARIN Region origin ASes present in the Internet Routing Table:     1238
    ARIN Prefixes per ASN:                                        11.68
ARIN Region origin ASes announcing only one prefix:                 429
ARIN Region transit ASes present in the Internet Routing Table:     166
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:     202
Number of ARIN addresses announced to Internet:               129453953
    Equivalent to 7 /8s, 183 /16s and 79 /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:                      3615
    Total RIPE prefixes after maximum aggregation:                 2894
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3771
    Unique aggregates announced from the RIPE address blocks:      3127
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.52
RIPE Region origin ASes announcing only one prefix:                 309
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     149
Number of RIPE addresses announced to Internet:                57667728
    Equivalent to 3 /8s, 111 /16s and 240 /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:                    1589
    Total LACNIC prefixes after maximum aggregation:                675
    LACNIC Deaggregation factor:                                   2.35
Prefixes being announced from the LACNIC address blocks:           1593
    Unique aggregates announced from the LACNIC address blocks:     860
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       9.83
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    28
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:    68
Number of LACNIC addresses announced to Internet:               4156702
    Equivalent to 0 /8s, 63 /16s and 109 /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:                   1273
    Total AfriNIC prefixes after maximum aggregation:               180
    AfriNIC Deaggregation factor:                                  7.07
Prefixes being announced from the AfriNIC address blocks:          1274
    Unique aggregates announced from the AfriNIC address blocks:    230
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     24.50
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:    9
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:   28
Number of AfriNIC addresses announced to Internet:              2673920
    Equivalent to 0 /8s, 40 /16s and 205 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  1237         197         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     119  AARNET-AS-AP Australian Academic and Re
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         128         19      18  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         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        2754       3639     394  GOOGLE-CLOUD-PLATFORM, US
 16509        2194       1650     908  AMAZON-02, US
 14618         855       4032     645  AMAZON-AES, US
 15169         830       1997      60  GOOGLE, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 36492         162         12      45  GOOGLEWIFI, US
  2152         145        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        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       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         160         24       5  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          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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         118          0      89  Telconet S.A, EC
 11340         116         25      53  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  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         485         82       3  KENET-AS, KE
  2018         380        319      71  TENET-1, ZA
327687         162         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, 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        2754       3639     394  GOOGLE-CLOUD-PLATFORM, US
 16509        2194       1650     908  AMAZON-02, US
 14618         855       4032     645  AMAZON-AES, US
 15169         830       1997      60  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
 36914         485         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         283       1899     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        2194         1286  AMAZON-02, US
 15169         830          770  GOOGLE, US
 36914         485          482  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 14618         855          210  AMAZON-AES, US
  1916         250          207  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         162          159  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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    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

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
220.156.176.0/21     Origin:     23767  A-STAR-AS-AP A-STAR, SG
220.156.176.0/21    Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

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       /10:1       /11:4       /12:19      
/13:34      /14:81      /15:160     /16:2100    /17:510     /18:500     
/19:732     /20:2787    /21:1049    /22:1688    /23:1753    /24:13968   
/25:90      /26:65      /27:76      /28:22      /29:81      /30:37      
/31:35      /32:8       

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

   ASN  No of nets  Total ann.  Description
 36914         470         485  KENET-AS, KE
 16509         315        2194  AMAZON-02, US
 14618         281         855  AMAZON-AES, US
 15169         274         830  GOOGLE, US
396982         206        2754  GOOGLE-CLOUD-PLATFORM, US
  8895         155         160  ISU Internet Services Unit ISU, SA
 27947          95         118  Telconet S.A, EC
 32440          80         112  LONI, US
 23024          52         109  OCDE, US
327700          41          45  MoRENet, MZ

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

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

   1:2         3:83        5:21        8:28       12:1        13:45     
  14:89       15:70       16:112      18:66       23:110      24:3      
  31:3        34:23       35:51       38:9        40:5        41:180    
  42:10       43:2        44:9        45:61       46:11       47:1      
  49:9        50:3        52:555      54:212      59:19       60:6      
  61:3        62:10       63:36       64:164      65:13       66:81     
  67:61       68:14       69:41       70:44       71:3        72:11     
  74:145      76:47       77:12       78:3        79:10       80:13     
  81:24       82:7        83:7        84:10       85:35       86:4      
  87:4        88:1        89:19       91:59       92:5        93:4      
  94:2        95:2        96:7        97:1        98:11       99:47     
 101:3       102:39      103:293     104:227     107:33      108:104    
 109:10      111:16      114:32      115:1       116:10      117:61     
 118:32      119:19      121:27      122:8       123:8       124:40     
 125:5       128:84      129:45      130:139     131:68      132:52     
 133:156     134:109     135:3       136:296     137:150     138:58     
 139:17      140:41      141:6       142:284     143:23      144:39     
 145:3       146:144     147:68      148:202     149:17      150:43     
 151:18      152:134     153:14      154:29      155:73      156:69     
 157:25      158:42      159:148     160:30      161:28      162:92     
 163:87      164:23      165:54      166:1       167:24      168:151    
 169:11      170:146     171:1       172:114     173:116     174:2      
 175:18      176:10      177:6       178:1       179:9       180:15     
 182:1       184:4       185:104     186:3       187:17      188:20     
 189:3       190:2       191:13      192:1491    193:282     194:127    
 195:76      196:203     197:333     198:480     199:307     200:318    
 201:34      202:626     203:426     204:370     205:149     206:205    
 207:172     208:138     209:166     210:196     211:14      212:161    
 213:15      216:174     217:13      218:22      219:5       220:17     
 222:2       223:14     

End of report


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