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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 13 22:41:40 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 13 Mar, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              991880
    Prefixes after maximum aggregation (per Origin AS):          363985
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458669
Total ASes present in the Internet Routing Table:                 75790
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64906
Origin ASes announcing only one prefix:                           26131
Transit ASes present in the Internet Routing Table:               10884
Transit-only ASes present in the Internet Routing Table:            516
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      60
    Max AS path prepend of ASN (2485408)                              56
Prefixes from unregistered ASNs in the Routing Table:              1254
    Number of instances of unregistered ASNs:                      1367
Number of 32-bit ASNs allocated by the RIRs:                      43812
Number of 32-bit ASNs visible in the Routing Table:               36163
Prefixes from 32-bit ASNs in the Routing Table:                  190128
Number of bogon 32-bit ASNs visible in the Routing Table:           401
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            747
Number of addresses announced to Internet:                   3044799925
    Equivalent to 181 /8s, 123 /16s and 245 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338755

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

Prefixes being announced by APNIC Region ASes:                   259561
    Total APNIC prefixes after maximum aggregation:               73831
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252106
    Unique aggregates announced from the APNIC address blocks:   100070
APNIC Region origin ASes present in the Internet Routing Table:   14131
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4229
APNIC Region transit ASes present in the Internet Routing Table:   1910
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9473
Number of APNIC addresses announced to Internet:              775111072
    Equivalent to 46 /8s, 51 /16s and 65 /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:                    284505
    Total ARIN prefixes after maximum aggregation:               125450
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           288781
    Unique aggregates announced from the ARIN address blocks:    132517
ARIN Region origin ASes present in the Internet Routing Table:    19145
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6937
ARIN Region transit ASes present in the Internet Routing Table:    1980
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4872
Number of ARIN addresses announced to Internet:              1270531906
    Equivalent to 75 /8s, 186 /16s and 199 /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:                    282282
    Total RIPE prefixes after maximum aggregation:               128833
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276092
    Unique aggregates announced from the RIPE address blocks:    162569
RIPE Region origin ASes present in the Internet Routing Table:    28666
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12107
RIPE Region transit ASes present in the Internet Routing Table:    4016
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11702
Number of RIPE addresses announced to Internet:               714831475
    Equivalent to 42 /8s, 155 /16s and 118 /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:                  130154
    Total LACNIC prefixes after maximum aggregation:              28933
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128874
    Unique aggregates announced from the LACNIC address blocks:   49520
LACNIC Region origin ASes present in the Internet Routing Table:  11078
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              2247
LACNIC Region transit ASes present in the Internet Routing Table:  2435
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8923
Number of LACNIC addresses announced to Internet:             177522528
    Equivalent to 10 /8s, 148 /16s and 199 /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:                  34124
    Total AfriNIC prefixes after maximum aggregation:              6167
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         45279
    Unique aggregates announced from the AfriNIC address blocks:  13395
AfriNIC Region origin ASes present in the Internet Routing Table:  1831
    AfriNIC Prefixes per ASN:                                     24.73
AfriNIC Region origin ASes announcing only one prefix:              611
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1193
Number of AfriNIC addresses announced to Internet:            106426368
    Equivalent to 6 /8s, 87 /16s and 240 /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        9820       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5653        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4577        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3840       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3609       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3513        495     253  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3290       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2758        864     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11259     578  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9718      11333    3361  AMAZON-02, US
   174        5135       6645     678  COGENT-174, US
 22773        5017       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4579        304     644  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3597       1320      75  SHAW, CA
 16625        3227       1400    2303  AKAMAI-AS, US
   749        3200      54920    2452  DNIC-AS-00749, US
   367        2922       3631    1408  DNIC-ASBLK-00306-00371, US
396982        2758       3640     406  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9016       1216    2334  TTNET, TR
 12479        7633       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3935       3396     149  AKAMAI-ASN1, NL
  9009        3276        284    1596  M247, RO
 12389        2988       2304     904  ROSTELECOM-AS, RU
  8551        2649        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2504        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2461       1852      14  TE-AS TE-AS, EG
 34984        2393        366     582  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12571       3377     501  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2506        339     653  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1208        349     490  Axtel, S.A.B. de C.V., MX
 11664        1143        179     426  Techtel LMDS Comunicaciones Interactiva
 26615        1118       2504      60  TIM SA, BR
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1630        315      40  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1480        389      20  LINKdotNET-AS, EG
 36992        1368       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1172         75      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         559         82       3  KENET-AS, KE
  6713         553       1861      34  IAM-AS, MA
 15399         524         55      54  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12571       3377     501  UNINET, MX
  9808        9820       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9718      11333    3361  AMAZON-02, US
 47331        9016       1216    2334  TTNET, TR
 12479        7633       1714     147  UNI2-AS, ES
  7545        5653        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5135       6645     678  COGENT-174, US
 22773        5017       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9820         9763  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7633         7486  UNI2-AS, ES
 47331        9016         6682  TTNET, TR
 16509        9718         6357  AMAZON-02, US
  7545        5653         4980  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4929  ERX-CERNET-BKB China Education and Research Net
 22773        5017         4713  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4577         4552  FPT-AS-AP FPT Telecom Company, VN
   174        5135         4457  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:98      /12:302     
/13:580     /14:1209    /15:2136    /16:13535   /17:8458    /18:14217   
/19:25336   /20:45548   /21:53811   /22:114522  /23:107030  /24:600109  
/25:1112    /26:1058    /27:1518    /28:160     /29:261     /30:91      
/31:110     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8130        9016  TTNET, TR
 12479        6748        7633  UNI2-AS, ES
  8151        6487       12571  UNINET, MX
 22773        4049        5017  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3492        4579  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3597  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2164        2508  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2131        3525  Telmex Colombia S.A., CO

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

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

   1:2303      2:1654      3:311       4:22        5:4701      6:162    
   7:6         8:1629      9:2        11:177      12:1470     13:380    
  14:2441     15:314      16:209      17:374      18:750      20:378    
  21:4        22:188      23:6680     24:3163     25:2        27:2709   
  29:19       31:2821     32:62       34:63       35:126      36:2219   
  37:4647     38:8520     39:901      40:125      41:4653     42:2217   
  43:2382     44:325      45:17751    46:4477     47:300      49:1934   
  50:1934     51:576      52:1619     54:311      55:971      56:5      
  57:163      58:2114     59:1204     60:1023     61:2764     62:2848   
  63:1943     64:5736     65:2361     66:4861     67:3135     68:1598   
  69:4115     70:1513     71:582      72:3014     74:2619     75:1587   
  76:635      77:2535     78:4152     79:2504     80:2185     81:2183   
  82:1576     83:1361     84:1659     85:4036     86:933      87:2275   
  88:3018     89:4174     90:683      91:8159     92:2271     93:2651   
  94:3814     95:5355     96:1302     97:313      98:1098     99:741    
 100:111     101:1188    102:3549    103:32974   104:4778    105:2065   
 106:987     107:2783    108:1145    109:4108    110:2176    111:3222   
 112:2092    113:1790    114:1793    115:2174    116:1913    117:2623   
 118:2869    119:2036    120:1815    121:1363    122:2821    123:2269   
 124:1682    125:2881    126:28      128:1540    129:1025    130:1139   
 131:1910    132:932     133:410     134:1723    135:353     136:943    
 137:1075    138:3016    139:1584    140:1383    141:1367    142:1590   
 143:1578    144:1023    145:343     146:2056    147:1724    148:2528   
 149:2635    150:1102    151:1349    152:1991    153:595     154:6165   
 155:1399    156:2283    157:1658    158:1106    159:2254    160:2696   
 161:1664    162:3635    163:1736    164:1687    165:2181    166:1078   
 167:1785    168:4131    169:824     170:4972    171:1022    172:3861   
 173:3080    174:936     175:1255    176:3831    177:5253    178:3729   
 179:2511    180:2466    181:3781    182:3417    183:2038    184:2283   
 185:20990   186:5257    187:4812    188:4228    189:4377    190:9511   
 191:1895    192:11029   193:9111    194:7627    195:5444    196:3687   
 197:2942    198:6080    199:7498    200:8433    201:6441    202:10843  
 203:10597   204:4645    205:3793    206:4563    207:3601    208:4206   
 209:5094    210:4789    211:2608    212:4453    213:3568    214:1103   
 215:43      216:6878    217:3055    218:1386    219:607     220:2125   
 221:1029    222:878     223:2237   

End of report


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