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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Dec 14 20:17:03 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 14 Dec, 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:                              259987
    Prefixes after maximum aggregation (per Origin AS):          113556
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      135827
    Number of IPv4 prefixes with a valid ROA:                    115539
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         144428
Total ASes present in the Internet Routing Table:                 20454
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           17587
Origin ASes announcing only one prefix:                            7850
Transit ASes present in the Internet Routing Table:                2867
Transit-only ASes present in the Internet Routing Table:            728
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 (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:               326
    Number of instances of unregistered ASNs:                       327
Number of 32-bit ASNs allocated by the RIRs:                      45979
Number of 32-bit ASNs visible in the Routing Table:                7912
Prefixes from 32-bit ASNs in the Routing Table:                   29586
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:            158
Number of addresses announced to Internet:                   1584996093
    Equivalent to 94 /8s, 121 /16s and 30 /24s
    Percentage of available address space announced:               42.8
    Percentage of allocated address space announced:               42.8
    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:       82773

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

Prefixes being announced by APNIC Region ASes:                    31685
    Total APNIC prefixes after maximum aggregation:                7680
    APNIC Deaggregation factor:                                    4.13
Prefixes being announced from the APNIC address blocks:           30957
    Unique aggregates announced from the APNIC address blocks:     8677
APNIC Region origin ASes present in the Internet Routing Table:    1195
    APNIC Prefixes per ASN:                                       25.91
APNIC Region origin ASes announcing only one prefix:                472
APNIC Region transit ASes present in the Internet Routing Table:    216
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    519
Number of APNIC addresses announced to Internet:              173379948
    Equivalent to 10 /8s, 85 /16s and 145 /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:                    117854
    Total ARIN prefixes after maximum aggregation:                60728
    ARIN Deaggregation factor:                                     1.94
Prefixes being announced from the ARIN address blocks:           116495
    Unique aggregates announced from the ARIN address blocks:     60494
ARIN Region origin ASes present in the Internet Routing Table:     9064
    ARIN Prefixes per ASN:                                        12.85
ARIN Region origin ASes announcing only one prefix:                3755
ARIN Region transit ASes present in the Internet Routing Table:     852
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:    2037
Number of ARIN addresses announced to Internet:               955183745
    Equivalent to 56 /8s, 238 /16s and 242 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                     50487
    Total RIPE prefixes after maximum aggregation:                26952
    RIPE Deaggregation factor:                                     1.87
Prefixes being announced from the RIPE address blocks:            51898
    Unique aggregates announced from the RIPE address blocks:     37683
RIPE Region origin ASes present in the Internet Routing Table:     4778
    RIPE Prefixes per ASN:                                        10.86
RIPE Region origin ASes announcing only one prefix:                2035
RIPE Region transit ASes present in the Internet Routing Table:     699
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1883
Number of RIPE addresses announced to Internet:               317137104
    Equivalent to 18 /8s, 231 /16s and 32 /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,
                        53/8,  57/8,  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:                   48759
    Total LACNIC prefixes after maximum aggregation:              14890
    LACNIC Deaggregation factor:                                   3.27
Prefixes being announced from the LACNIC address blocks:          47562
    Unique aggregates announced from the LACNIC address blocks:   22694
LACNIC Region origin ASes present in the Internet Routing Table:   4232
    LACNIC Prefixes per ASN:                                      11.24
LACNIC Region origin ASes announcing only one prefix:              1458
LACNIC Region transit ASes present in the Internet Routing Table:   879
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:  3313
Number of LACNIC addresses announced to Internet:              98853952
    Equivalent to 5 /8s, 228 /16s and 100 /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:                  10876
    Total AfriNIC prefixes after maximum aggregation:              3078
    AfriNIC Deaggregation factor:                                  3.53
Prefixes being announced from the AfriNIC address blocks:         12917
    Unique aggregates announced from the AfriNIC address blocks:   6148
AfriNIC Region origin ASes present in the Internet Routing Table:   319
    AfriNIC Prefixes per ASN:                                     40.49
AfriNIC Region origin ASes announcing only one prefix:              130
AfriNIC Region transit ASes present in the Internet Routing Table:   87
Average AfriNIC Region AS path length visible:                      6.4
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  160
Number of AfriNIC addresses announced to Internet:             40364544
    Equivalent to 2 /8s, 103 /16s and 234 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
 56046        1565        804     184  CMNET-JIANGSU-AP China Mobile communicati
 56041        1494        714      78  CMNET-ZHEJIANG-AP China Mobile communicat
 56047        1491        192      50  CMNET-HUNAN-AP China Mobile communication
 24547         829        177      49  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2199     461  SINET-AS Research Organization of Informa
 17676         520       9903     160  GIGAINFRA SoftBank Corp., JP
 56040         484        488     105  CMNET-GUANGDONG-AP China Mobile communica
 45102         468        748     112  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       12512      38458    2992  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2043  ATT-INTERNET4, US
   367        2478       2987    1178  DNIC-ASBLK-00306-00371, US
 22773        2466       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2280        155    1410  USDA-1, US
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US
  6167        1746       3399     440  CELLCO-PART, US
   209        1668       4895     294  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1570        164     791  AS-COLOCROSSING, 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        1872        126      49  ALJAWWALSTC-AS, SA
 20940        1265         99    1023  AKAMAI-ASN1, NL
  3215         889       4814     285  France Telecom - Orange, FR
  3257         784       2071     685  GTT-BACKBONE GTT, US
  8386         705        109     211  KOCNET, TR
  8452         667       1842      17  TE-AS TE-AS, EG
 25019         613        998     130  SAUDINETSTC-AS, SA
  8376         589         55      26  Jordan Data Communications, JO
  3320         579       8322     490  DTAG Internet service provider operations
212238         577         42     512  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        5928       1684     844  UNINET, MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 10620        1687        252    1197  Telmex Colombia S.A., CO
  3816        1327        777     209  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 26615        1001       2503      53  TIM SA, BR
 18881         868       1128      28  TELEFONICA BRASIL S.A, BR
 27651         667         93      49  ENTEL CHILE S.A., CL
 28006         647         77     295  CORPORACION NACIONAL DE TELECOMUNICACIONE
 26599         548       2888      72  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        1488        389      16  LINKdotNET-AS, EG
 29571        1119         77     332  ORANGE-COTE-IVOIRE, CI
 20011         967        179     271  INTERNET-SOLUTIONS, ZA
 24835         710        364     145  RAYA-AS, EG
 37069         651       1051      14  MOBINIL, EG
 36992         593       1005     262  ETISALAT-MISR, EG
 36935         566        125     175  Vodafone-, EG
 36914         548         82       3  KENET-AS, KE
 36903         470        221     323  MT-MPLS, MA
  2018         378        319      71  TENET-1, ZA

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       12512      38458    2992  AMAZON-02, US
  9808        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
  8151        5928       1684     844  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2043  ATT-INTERNET4, US
   367        2478       2987    1178  DNIC-ASBLK-00306-00371, US
 22773        2466       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2280        155    1410  USDA-1, US
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US

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        9906         9819  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5928         5084  UNINET, MX
 11830        1993         1929  Instituto Costarricense de Electricidad y Telec
 39891        1872         1823  ALJAWWALSTC-AS, SA
 22773        2466         1758  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1879         1661  ATLANTICBB-JOHNSTOWN, US
 24863        1488         1472  LINKdotNET-AS, EG
 56047        1491         1441  CMNET-HUNAN-AP China Mobile communications corp
 56041        1494         1416  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1565         1381  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
     53966  UNALLOCATED  8.39.98.0/24              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
    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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

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      /10:34      /11:40      /12:151     
/13:212     /14:569     /15:1130    /16:7744    /17:3514    /18:4197    
/19:7745    /20:12502   /21:15258   /22:27984   /23:27651   /24:151043  
/25:42      /26:65      /27:36      /28:17      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3119        5928  UNINET, MX
 16509        2273       12512  AMAZON-02, US
 22773        1866        2466  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1691        1993  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1468        3198  ATT-INTERNET4, US
 39891        1017        1872  ALJAWWALSTC-AS, SA
   209         947        1668  CENTURYLINK-US-LEGACY-QWEST, US
 10620         940        1687  Telmex Colombia S.A., CO
 11776         892        1879  ATLANTICBB-JOHNSTOWN, US
 19901         891        1073  BRSPD-PUBLIC, US

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

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

   1:65        2:486       3:521       4:5         5:815       6:153    
   7:5         8:661      11:171      12:975      13:304      14:120    
  15:293      16:234      17:5        18:873      20:146      21:4      
  22:188      23:2244     24:698      27:36       29:19       31:484    
  32:19       34:9        35:107      36:1224     37:591      38:1939   
  39:525      40:52       41:1107     42:216      43:210      44:32     
  45:3785     46:987      47:142      49:29       50:340      51:369    
  52:1390     54:294      55:1034     56:8        57:17       58:31     
  59:31       60:15       61:72       62:539      63:769      64:1752   
  65:1100     66:1551     67:930      68:526      69:1151     70:301    
  71:207      72:584      74:914      75:430      76:249      77:382    
  78:300      79:299      80:329      81:409      82:347      83:198    
  84:344      85:538      86:228      87:212      88:262      89:890    
  90:95       91:1059     92:627      93:473      94:837      95:554    
  96:217      97:54       98:455      99:161     100:35      101:27     
 102:362     103:1181    104:1029    105:144     106:67      107:1251   
 108:489     109:384     110:38      111:1874    112:467     113:43     
 114:55      115:20      116:50      117:987     118:170     119:120    
 120:1152    121:43      122:139     123:151     124:53      125:22     
 128:436     129:326     130:673     131:931     132:555     133:210    
 134:482     135:112     136:584     137:583     138:993     139:406    
 140:670     141:459     142:930     143:696     144:411     145:89     
 146:673     147:484     148:739     149:653     150:307     151:642    
 152:668     153:136     154:967     155:754     156:847     157:379    
 158:475     159:675     160:909     161:616     162:893     163:407    
 164:737     165:805     166:608     167:635     168:1524    169:149    
 170:1581    171:102     172:1178    173:800     174:230     175:54     
 176:430     177:1138    178:529     179:818     180:78      181:1875   
 182:48      183:869     184:445     185:3335    186:2306    187:1067   
 188:845     189:1446    190:4963    191:464     192:4932    193:1924   
 194:1408    195:1031    196:796     197:1655    198:2562    199:4620   
 200:3896    201:3270    202:1098    203:708     204:2079    205:1979   
 206:1592    207:1429    208:1296    209:1940    210:313     211:428    
 212:1035    213:940     214:1004    215:42      216:2416    217:505    
 218:521     219:22      220:30      221:301     222:29      223:707    


End of report


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