[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 3 20:17:02 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 03 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:                              246959
    Prefixes after maximum aggregation (per Origin AS):          109708
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      131504
    Number of IPv4 prefixes with a valid ROA:                    105877
    Number of IPv4 prefixes with an invalid ROA:                     27
    Number of IPv4 prefixes with no ROA:                         141055
Total ASes present in the Internet Routing Table:                 20121
    Prefixes per ASN:                                             12.27
Origin-only ASes present in the Internet Routing Table:           17319
Origin ASes announcing only one prefix:                            7790
Transit ASes present in the Internet Routing Table:                2802
Transit-only ASes present in the Internet Routing Table:            721
Paths with bogon ASNs present in the IPv4 Routing Table:              7
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               331
    Number of instances of unregistered ASNs:                       335
Number of 32-bit ASNs allocated by the RIRs:                      45467
Number of 32-bit ASNs visible in the Routing Table:                7745
Prefixes from 32-bit ASNs in the Routing Table:                   27780
Number of bogon 32-bit ASNs visible in the Routing Table:            10
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            170
Number of addresses announced to Internet:                   1507661021
    Equivalent to 89 /8s, 221 /16s and 20 /24s
    Percentage of available address space announced:               40.7
    Percentage of allocated address space announced:               40.7
    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:       77591

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

Prefixes being announced by APNIC Region ASes:                    32401
    Total APNIC prefixes after maximum aggregation:                8034
    APNIC Deaggregation factor:                                    4.03
Prefixes being announced from the APNIC address blocks:           31720
    Unique aggregates announced from the APNIC address blocks:     9350
APNIC Region origin ASes present in the Internet Routing Table:    1245
    APNIC Prefixes per ASN:                                       25.48
APNIC Region origin ASes announcing only one prefix:                486
APNIC Region transit ASes present in the Internet Routing Table:    220
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    553
Number of APNIC addresses announced to Internet:              199180908
    Equivalent to 11 /8s, 223 /16s and 66 /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:                    112118
    Total ARIN prefixes after maximum aggregation:                59595
    ARIN Deaggregation factor:                                     1.88
Prefixes being announced from the ARIN address blocks:           111109
    Unique aggregates announced from the ARIN address blocks:     61899
ARIN Region origin ASes present in the Internet Routing Table:     8971
    ARIN Prefixes per ASN:                                        12.39
ARIN Region origin ASes announcing only one prefix:                3745
ARIN Region transit ASes present in the Internet Routing Table:     815
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:    1968
Number of ARIN addresses announced to Internet:               873665697
    Equivalent to 52 /8s, 19 /16s and 20 /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:                     48467
    Total RIPE prefixes after maximum aggregation:                25572
    RIPE Deaggregation factor:                                     1.90
Prefixes being announced from the RIPE address blocks:            49287
    Unique aggregates announced from the RIPE address blocks:     35052
RIPE Region origin ASes present in the Internet Routing Table:     4616
    RIPE Prefixes per ASN:                                        10.68
RIPE Region origin ASes announcing only one prefix:                1978
RIPE Region transit ASes present in the Internet Routing Table:     671
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1801
Number of RIPE addresses announced to Internet:               300805072
    Equivalent to 17 /8s, 237 /16s and 235 /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:                   44738
    Total LACNIC prefixes after maximum aggregation:              13580
    LACNIC Deaggregation factor:                                   3.29
Prefixes being announced from the LACNIC address blocks:          43902
    Unique aggregates announced from the LACNIC address blocks:   20574
LACNIC Region origin ASes present in the Internet Routing Table:   4130
    LACNIC Prefixes per ASN:                                      10.63
LACNIC Region origin ASes announcing only one prefix:              1460
LACNIC Region transit ASes present in the Internet Routing Table:   877
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:  3259
Number of LACNIC addresses announced to Internet:              94833664
    Equivalent to 5 /8s, 167 /16s and 12 /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:                   8904
    Total AfriNIC prefixes after maximum aggregation:              2703
    AfriNIC Deaggregation factor:                                  3.29
Prefixes being announced from the AfriNIC address blocks:         10771
    Unique aggregates announced from the AfriNIC address blocks:   4490
AfriNIC Region origin ASes present in the Internet Routing Table:   302
    AfriNIC Prefixes per ASN:                                     35.67
AfriNIC Region origin ASes announcing only one prefix:              121
AfriNIC Region transit ASes present in the Internet Routing Table:   84
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:  164
Number of AfriNIC addresses announced to Internet:             39091200
    Equivalent to 2 /8s, 84 /16s and 124 /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        9864       8750      69  CHINAMOBILE-CN China Mobile Communication
 56046        1545        788     172  CMNET-JIANGSU-AP China Mobile communicati
 56047        1508        192      49  CMNET-HUNAN-AP China Mobile communication
 56041        1482        714      75  CMNET-ZHEJIANG-AP China Mobile communicat
 24547         807        177      50  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         770        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2170     465  SINET-AS Research Organization of Informa
 17676         547       9967     165  GIGAINFRA SoftBank Corp., JP
 24445         480        497      68  CMNET-V4HENAN-AS-AP Henan Mobile Communic
 45102         470        766     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       10845      11838    3785  AMAZON-02, US
   749        3483      55081    2706  DNIC-AS-00749, US
  7018        3180      23678    1973  ATT-INTERNET4, US
   367        2531       3026    1186  DNIC-ASBLK-00306-00371, US
 22773        2464       2080     706  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2128        144    1368  USDA-1, US
 11776        1868        256     225  ATLANTICBB-JOHNSTOWN, US
  6167        1795       3397     431  CELLCO-PART, US
   209        1684       4897     303  CENTURYLINK-US-LEGACY-QWEST, US
 20057        1397       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        3075        187      61  ALJAWWALSTC-AS, SA
 20940        1321        103    1068  AKAMAI-ASN1, NL
  3215         886       4814     289  France Telecom - Orange, FR
  3257         814       2074     705  GTT-BACKBONE GTT, US
  8452         722       1842      17  TE-AS TE-AS, EG
  8376         697         57      28  Jordan Data Communications, JO
 25019         584        999     138  SAUDINETSTC-AS, SA
  3320         570       8319     479  DTAG Internet service provider operations
 51167         557        109     244  CONTABO, DE
212238         523         39     470  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        5783       1681     727  UNINET, MX
 11830        2007        369      64  Instituto Costarricense de Electricidad y
 10620        1737        259    1219  Telmex Colombia S.A., CO
  3816        1319        778     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
  6147        1105        369      22  Telefonica del Peru S.A.A., PE
 26615        1046       2503      53  TIM SA, BR
 18881         846       1128      28  TELEFONICA BRASIL S.A, BR
 28006         634         76     290  CORPORACION NACIONAL DE TELECOMUNICACIONE
 27651         626         85      50  ENTEL CHILE S.A., CL
 26599         536       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        1258        389      16  LINKdotNET-AS, EG
 29571         896         65     299  ORANGE-COTE-IVOIRE, CI
 36935         638        123     172  Vodafone-, EG
 36992         564        921     261  ETISALAT-MISR, EG
 36914         528         82       3  KENET-AS, KE
 24835         510        338     184  RAYA-AS, EG
 37069         394       1068      10  MOBINIL, EG
  2018         382        319      71  TENET-1, ZA
 36903         350        156     260  MT-MPLS, MA
 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       10845      11838    3785  AMAZON-02, US
  9808        9864       8750      69  CHINAMOBILE-CN China Mobile Communication
  8151        5783       1681     727  UNINET, MX
   749        3483      55081    2706  DNIC-AS-00749, US
  7018        3180      23678    1973  ATT-INTERNET4, US
 39891        3075        187      61  ALJAWWALSTC-AS, SA
   367        2531       3026    1186  DNIC-ASBLK-00306-00371, US
 22773        2464       2080     706  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2128        144    1368  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        9864         9795  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5783         5056  UNINET, MX
 39891        3075         3014  ALJAWWALSTC-AS, SA
 11830        2007         1943  Instituto Costarricense de Electricidad y Telec
 22773        2464         1758  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1868         1643  ATLANTICBB-JOHNSTOWN, US
 56047        1508         1459  CMNET-HUNAN-AP China Mobile communications corp
 56041        1482         1407  CMNET-ZHEJIANG-AP China Mobile communications c
   209        1684         1381  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1545         1373  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
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW

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      /11:40      /12:138     
/13:198     /14:528     /15:1028    /16:7119    /17:3408    /18:3959    
/19:7378    /20:11885   /21:14635   /22:26476   /23:26837   /24:143074  
/25:48      /26:70      /27:37      /28:19      /29:16      /30:11      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3042        5783  UNINET, MX
 16509        2216       10845  AMAZON-02, US
 39891        2193        3075  ALJAWWALSTC-AS, SA
 22773        1861        2464  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1705        2007  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1419        3180  ATT-INTERNET4, US
 10620         976        1737  Telmex Colombia S.A., CO
   209         953        1684  CENTURYLINK-US-LEGACY-QWEST, US
 11776         891        1868  ATLANTICBB-JOHNSTOWN, US
  6167         861        1795  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        2:508       3:484       4:5         5:1047      6:150    
   7:5         8:683      11:171      12:1021     13:318      14:108    
  15:291      16:231      17:5        18:859      20:97       21:4      
  22:188      23:2102     24:642      27:56       29:19       31:332    
  32:26       34:10       35:72       36:1200     37:772      38:1448   
  39:539      40:53       41:1099     42:239      43:206      44:34     
  45:3586     46:813      47:97       49:50       50:354      51:370    
  52:1363     54:275      55:953      56:8        57:17       58:29     
  59:32       60:16       61:68       62:482      63:779      64:1701   
  65:1070     66:1487     67:864      68:506      69:1132     70:300    
  71:205      72:582      74:920      75:413      76:232      77:340    
  78:613      79:251      80:311      81:371      82:317      83:199    
  84:330      85:520      86:225      87:213      88:235      89:758    
  90:88       91:1030     92:641      93:841      94:631      95:707    
  96:201      97:46       98:450      99:163     100:23      101:22     
 102:384     103:1305    104:881     105:145     106:47      107:789    
 108:437     109:386     110:34      111:1867    112:466     113:41     
 114:50      115:29      116:46      117:962     118:174     119:114    
 120:1172    121:46      122:153     123:159     124:75      125:25     
 128:381     129:318     130:649     131:897     132:582     133:211    
 134:462     135:104     136:491     137:542     138:976     139:394    
 140:690     141:440     142:881     143:718     144:399     145:63     
 146:636     147:499     148:700     149:621     150:313     151:621    
 152:657     153:135     154:609     155:745     156:668     157:386    
 158:445     159:646     160:817     161:659     162:872     163:387    
 164:749     165:795     166:581     167:656     168:1196    169:138    
 170:1527    171:101     172:1099    173:766     174:222     175:44     
 176:347     177:1084    178:517     179:748     180:63      181:1641   
 182:45      183:850     184:443     185:3210    186:1998    187:1099   
 188:683     189:1508    190:4105    191:446     192:4737    193:1853   
 194:1318    195:911     196:763     197:795     198:2444    199:4475   
 200:3440    201:3103    202:1140    203:695     204:2077    205:1970   
 206:1545    207:1398    208:1179    209:1859    210:359     211:462    
 212:997     213:754     214:1026    215:55      216:2314    217:443    
 218:525     219:22      220:54      221:300     222:24      223:656    


End of report


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