[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Thu Oct 17 20:16:56 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 17 Oct, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              246533
    Prefixes after maximum aggregation (per Origin AS):          109591
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      131213
    Number of IPv4 prefixes with a valid ROA:                    106488
    Number of IPv4 prefixes with an invalid ROA:                     39
    Number of IPv4 prefixes with no ROA:                         140006
Total ASes present in the Internet Routing Table:                 19961
    Prefixes per ASN:                                             12.35
Origin-only ASes present in the Internet Routing Table:           17189
Origin ASes announcing only one prefix:                            7690
Transit ASes present in the Internet Routing Table:                2772
Transit-only ASes present in the Internet Routing Table:            702
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      27
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               341
    Number of instances of unregistered ASNs:                       342
Number of 32-bit ASNs allocated by the RIRs:                      45575
Number of 32-bit ASNs visible in the Routing Table:                7642
Prefixes from 32-bit ASNs in the Routing Table:                   27745
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            168
Number of addresses announced to Internet:                   1490265053
    Equivalent to 88 /8s, 211 /16s and 163 /24s
    Percentage of available address space announced:               40.3
    Percentage of allocated address space announced:               40.3
    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:       77891

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

Prefixes being announced by APNIC Region ASes:                    31927
    Total APNIC prefixes after maximum aggregation:                7768
    APNIC Deaggregation factor:                                    4.11
Prefixes being announced from the APNIC address blocks:           31162
    Unique aggregates announced from the APNIC address blocks:     8937
APNIC Region origin ASes present in the Internet Routing Table:    1193
    APNIC Prefixes per ASN:                                       26.12
APNIC Region origin ASes announcing only one prefix:                470
APNIC Region transit ASes present in the Internet Routing Table:    213
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    529
Number of APNIC addresses announced to Internet:              181555052
    Equivalent to 10 /8s, 210 /16s and 79 /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:                    112282
    Total ARIN prefixes after maximum aggregation:                59769
    ARIN Deaggregation factor:                                     1.88
Prefixes being announced from the ARIN address blocks:           111103
    Unique aggregates announced from the ARIN address blocks:     62130
ARIN Region origin ASes present in the Internet Routing Table:     8951
    ARIN Prefixes per ASN:                                        12.41
ARIN Region origin ASes announcing only one prefix:                3712
ARIN Region transit ASes present in the Internet Routing Table:     808
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1959
Number of ARIN addresses announced to Internet:               871725217
    Equivalent to 51 /8s, 245 /16s and 120 /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, 393216-402332
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:                     48208
    Total RIPE prefixes after maximum aggregation:                25403
    RIPE Deaggregation factor:                                     1.90
Prefixes being announced from the RIPE address blocks:            49244
    Unique aggregates announced from the RIPE address blocks:     34790
RIPE Region origin ASes present in the Internet Routing Table:     4609
    RIPE Prefixes per ASN:                                        10.68
RIPE Region origin ASes announcing only one prefix:                1980
RIPE Region transit ASes present in the Internet Routing Table:     673
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1794
Number of RIPE addresses announced to Internet:               301014224
    Equivalent to 17 /8s, 241 /16s and 28 /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:                   44370
    Total LACNIC prefixes after maximum aggregation:              13375
    LACNIC Deaggregation factor:                                   3.32
Prefixes being announced from the LACNIC address blocks:          43504
    Unique aggregates announced from the LACNIC address blocks:   20183
LACNIC Region origin ASes present in the Internet Routing Table:   4070
    LACNIC Prefixes per ASN:                                      10.69
LACNIC Region origin ASes announcing only one prefix:              1406
LACNIC Region transit ASes present in the Internet Routing Table:   858
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3200
Number of LACNIC addresses announced to Internet:              95805696
    Equivalent to 5 /8s, 181 /16s and 225 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   9405
    Total AfriNIC prefixes after maximum aggregation:              3050
    AfriNIC Deaggregation factor:                                  3.08
Prefixes being announced from the AfriNIC address blocks:         11352
    Unique aggregates announced from the AfriNIC address blocks:   5035
AfriNIC Region origin ASes present in the Internet Routing Table:   301
    AfriNIC Prefixes per ASN:                                     37.71
AfriNIC Region origin ASes announcing only one prefix:              122
AfriNIC Region transit ASes present in the Internet Routing Table:   86
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  160
Number of AfriNIC addresses announced to Internet:             40075520
    Equivalent to 2 /8s, 99 /16s and 129 /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
  9808        9920       8750      75  CHINAMOBILE-CN China Mobile Communication
 56046        1543        796     174  CMNET-JIANGSU-AP China Mobile communicati
 56047        1508        192      49  CMNET-HUNAN-AP China Mobile communication
 56041        1484        714      76  CMNET-ZHEJIANG-AP China Mobile communicat
 24547         806        176      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      73  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2170     465  SINET-AS Research Organization of Informa
 17676         541       9967     163  GIGAINFRA SoftBank Corp., JP
 24445         482        497      69  CMNET-V4HENAN-AS-AP Henan Mobile Communic
 45102         471        770     110  ALIBABA-CN-NET Alibaba US Technology Co.,

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10856      11907    3812  AMAZON-02, US
   749        3264      54912    2511  DNIC-AS-00749, US
  7018        3182      23676    1973  ATT-INTERNET4, US
   367        2488       3004    1167  DNIC-ASBLK-00306-00371, US
 22773        2457       2080     709  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2164        146    1371  USDA-1, US
 11776        1868        256     225  ATLANTICBB-JOHNSTOWN, US
  6167        1791       3362     435  CELLCO-PART, US
   209        1682       4897     302  CENTURYLINK-US-LEGACY-QWEST, US
 20057        1398       1047     109  ATT-MOBILITY-LLC-AS20057, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        3209        195      64  ALJAWWALSTC-AS, SA
 20940        1280        100    1035  AKAMAI-ASN1, NL
  3215         889       4826     287  France Telecom - Orange, FR
  3257         803       2073     697  GTT-BACKBONE GTT, US
  8452         725       1842      17  TE-AS TE-AS, EG
  8376         672         57      27  Jordan Data Communications, JO
 25019         589        992     139  SAUDINETSTC-AS, SA
  3320         588       8321     492  DTAG Internet service provider operations
 51167         559        110     245  CONTABO, DE
212238         484         36     438  CDNEXT, GB

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5741       1703     697  UNINET, MX
 11830        2007        369      64  Instituto Costarricense de Electricidad y
 10620        1748        260    1229  Telmex Colombia S.A., CO
  3816        1320        778     194  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1106        369      22  Telefonica del Peru S.A.A., PE
 26615        1033       2503      53  TIM SA, BR
 18881         849       1128      28  TELEFONICA BRASIL S.A, BR
 28006         644         77     294  CORPORACION NACIONAL DE TELECOMUNICACIONE
 27651         627         86      51  ENTEL CHILE S.A., CL
 26599         552       2860      74  TELEFONICA BRASIL S.A, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1232        389      16  LINKdotNET-AS, EG
 29571         847         63     304  ORANGE-COTE-IVOIRE, CI
 36935         621        118     160  Vodafone-, EG
 36992         564        921     261  ETISALAT-MISR, EG
 36914         524         82       3  KENET-AS, KE
 24835         513        339     187  RAYA-AS, EG
 37069         468       1055      15  MOBINIL, EG
 20011         458        133     312  INTERNET-SOLUTIONS, ZA
  2018         382        319      71  TENET-1, ZA
 37693         334        597      43  TUNISIANA, TN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10856      11907    3812  AMAZON-02, US
  9808        9920       8750      75  CHINAMOBILE-CN China Mobile Communication
  8151        5741       1703     697  UNINET, MX
   749        3264      54912    2511  DNIC-AS-00749, US
 39891        3209        195      64  ALJAWWALSTC-AS, SA
  7018        3182      23676    1973  ATT-INTERNET4, US
   367        2488       3004    1167  DNIC-ASBLK-00306-00371, US
 22773        2457       2080     709  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2164        146    1371  USDA-1, US
 11830        2007        369      64  Instituto Costarricense de Electricidad y

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9920         9845  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5741         5044  UNINET, MX
 39891        3209         3145  ALJAWWALSTC-AS, SA
 11830        2007         1943  Instituto Costarricense de Electricidad y Telec
 22773        2457         1748  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1868         1643  ATLANTICBB-JOHNSTOWN, US
 56047        1508         1459  CMNET-HUNAN-AP China Mobile communications corp
 56041        1484         1408  CMNET-ZHEJIANG-AP China Mobile communications c
   209        1682         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1543         1369  CMNET-JIANGSU-AP China Mobile communications co

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
    399953  UNALLOCATED  12.9.122.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.160.122.0/24      Origin:     39937  LTECH, US
23.160.122.0/24     Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:13       /9:10      /10:28      /11:38      /12:139     
/13:195     /14:530     /15:1025    /16:6918    /17:3368    /18:3984    
/19:7405    /20:11887   /21:14514   /22:26247   /23:26627   /24:143399  
/25:48      /26:70      /27:39      /28:19      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3015        5741  UNINET, MX
 39891        2325        3209  ALJAWWALSTC-AS, SA
 16509        2211       10856  AMAZON-02, US
 22773        1854        2457  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1705        2007  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1421        3182  ATT-INTERNET4, US
 10620         984        1748  Telmex Colombia S.A., CO
   209         952        1682  CENTURYLINK-US-LEGACY-QWEST, US
 11776         891        1868  ATLANTICBB-JOHNSTOWN, US
  6167         860        1791  CELLCO-PART, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:65        2:529       3:496       4:5         5:1138      6:156    
   7:5         8:682      11:171      12:1013     13:315      14:110    
  15:289      16:231      17:5        18:858      20:128      21:4      
  22:188      23:2054     24:643      27:64       29:19       31:351    
  32:25       34:9        35:72       36:1204     37:740      38:1476   
  39:533      40:33       41:1096     42:238      43:201      44:34     
  45:3603     46:785      47:96       49:53       50:351      51:371    
  52:1397     54:275      55:957      56:8        57:17       58:32     
  59:30       60:16       61:57       62:468      63:778      64:1708   
  65:1077     66:1483     67:913      68:537      69:1115     70:301    
  71:205      72:558      74:914      75:410      76:246      77:364    
  78:603      79:258      80:319      81:374      82:287      83:195    
  84:329      85:474      86:229      87:209      88:232      89:782    
  90:95       91:1038     92:632      93:831      94:670      95:675    
  96:193      97:47       98:531      99:164     100:26      101:24     
 102:397     103:1261    104:878     105:138     106:68      107:795    
 108:436     109:392     110:41      111:1853    112:466     113:41     
 114:56      115:25      116:45      117:978     118:173     119:114    
 120:1173    121:38      122:155     123:156     124:68      125:21     
 128:375     129:313     130:654     131:894     132:581     133:206    
 134:457     135:102     136:487     137:581     138:984     139:395    
 140:663     141:447     142:884     143:694     144:405     145:66     
 146:644     147:500     148:701     149:608     150:309     151:639    
 152:657     153:136     154:654     155:745     156:734     157:379    
 158:452     159:644     160:807     161:631     162:855     163:370    
 164:736     165:798     166:592     167:646     168:1177    169:130    
 170:1534    171:97      172:1096    173:768     174:284     175:31     
 176:351     177:1093    178:539     179:733     180:84      181:1638   
 182:38      183:850     184:426     185:3095    186:1998    187:1055   
 188:740     189:1470    190:4076    191:447     192:4747    193:1872   
 194:1331    195:904     196:762     197:1120    198:2446    199:4494   
 200:3430    201:3067    202:1108    203:692     204:2078    205:1953   
 206:1534    207:1398    208:1214    209:1831    210:308     211:430    
 212:993     213:764     214:1030    215:41      216:2305    217:489    
 218:520     219:21      220:54      221:300     222:18      223:680    


End of report


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