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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 29 22:43:18 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 29 Aug, 2023

  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:                              986361
    Prefixes after maximum aggregation (per Origin AS):          359973
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453641
Total ASes present in the Internet Routing Table:                 75170
    Prefixes per ASN:                                             13.12
Origin-only ASes present in the Internet Routing Table:           64618
Origin ASes announcing only one prefix:                           25847
Transit ASes present in the Internet Routing Table:               10552
Transit-only ASes present in the Internet Routing Table:            466
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1281
    Number of instances of unregistered ASNs:                      1299
Number of 32-bit ASNs allocated by the RIRs:                      42518
Number of 32-bit ASNs visible in the Routing Table:               35221
Prefixes from 32-bit ASNs in the Routing Table:                  184609
Number of bogon 32-bit ASNs visible in the Routing Table:           251
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            694
Number of addresses announced to Internet:                   3062559658
    Equivalent to 182 /8s, 138 /16s and 243 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      339027

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

Prefixes being announced by APNIC Region ASes:                   257492
    Total APNIC prefixes after maximum aggregation:               71647
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          251010
    Unique aggregates announced from the APNIC address blocks:    98860
APNIC Region origin ASes present in the Internet Routing Table:   13724
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4010
APNIC Region transit ASes present in the Internet Routing Table:   1855
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9015
Number of APNIC addresses announced to Internet:              775027296
    Equivalent to 46 /8s, 49 /16s and 250 /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:                    283376
    Total ARIN prefixes after maximum aggregation:               125960
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284804
    Unique aggregates announced from the ARIN address blocks:    131679
ARIN Region origin ASes present in the Internet Routing Table:    19163
    ARIN Prefixes per ASN:                                        14.86
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    1926
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4836
Number of ARIN addresses announced to Internet:              1281764672
    Equivalent to 76 /8s, 102 /16s and 45 /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:                    281043
    Total RIPE prefixes after maximum aggregation:               126821
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           276995
    Unique aggregates announced from the RIPE address blocks:    160618
RIPE Region origin ASes present in the Internet Routing Table:    28549
    RIPE Prefixes per ASN:                                         9.70
RIPE Region origin ASes announcing only one prefix:               12010
RIPE Region transit ASes present in the Internet Routing Table:    3897
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11375
Number of RIPE addresses announced to Internet:               717595614
    Equivalent to 42 /8s, 197 /16s and 163 /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:                  128934
    Total LACNIC prefixes after maximum aggregation:              28771
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128261
    Unique aggregates announced from the LACNIC address blocks:   49272
LACNIC Region origin ASes present in the Internet Routing Table:  11045
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2286
LACNIC Region transit ASes present in the Internet Routing Table:  2353
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8857
Number of LACNIC addresses announced to Internet:             178788640
    Equivalent to 10 /8s, 168 /16s and 25 /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:                  34235
    Total AfriNIC prefixes after maximum aggregation:              5982
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         44596
    Unique aggregates announced from the AfriNIC address blocks:  12614
AfriNIC Region origin ASes present in the Internet Routing Table:  1798
    AfriNIC Prefixes per ASN:                                     24.80
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  329
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1138
Number of AfriNIC addresses announced to Internet:            108840448
    Equivalent to 6 /8s, 124 /16s and 198 /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        9691       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5730        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5000       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3743       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3118        498     253  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2499        847     403  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  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        9090      10998    3167  AMAZON-02, US
 11492        4530        300     625  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3865       6656     623  COGENT-174, US
 22773        3702       3080     329  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3535       1319      66  SHAW, CA
 16625        3174       1535    2352  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2999       3832    1414  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  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        8366       1151    3196  TTNET, TR
 12479        7362       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4178       3399     187  AKAMAI-ASN1, NL
  8551        3476        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2296     922  ROSTELECOM-AS, RU
  9009        2703        249    1397  M247, RO
  5384        2489        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2465       1852      16  TE-AS TE-AS, EG
 34984        2379        366     586  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       11811       3364     609  UNINET, MX
 10620        3543        507     834  Telmex Colombia S.A., CO
 13999        2460        366     645  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1317       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1121         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1120        182     434  Techtel LMDS Comunicaciones Interactiva

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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         540         55      50  WANANCHI-, KE
 36914         536         82       3  KENET-AS, 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       11811       3364     609  UNINET, MX
  9808        9691       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9090      10998    3167  AMAZON-02, US
 47331        8366       1151    3196  TTNET, TR
 12479        7362       1713     145  UNI2-AS, ES
  7545        5730        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5000       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4530        300     625  CABLEONE, US
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9691         9591  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7362         7217  UNI2-AS, ES
 16509        9090         5923  AMAZON-02, US
 47331        8366         5170  TTNET, TR
  7545        5730         5041  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5000         4924  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 45899        4049         3996  VNPT-AS-VN VNPT Corp, VN

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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, 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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, 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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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      /10:39      /11:102     /12:300     
/13:579     /14:1212    /15:2156    /16:13734   /17:8595    /18:14760   
/19:25898   /20:46238   /21:55056   /22:115048  /23:108195  /24:591394  
/25:491     /26:621     /27:1033    /28:75      /29:101     /30:26      
/31:22      /32:655     

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

   ASN  No of nets  Total ann.  Description
 47331        7494        8366  TTNET, TR
 12479        6447        7362  UNI2-AS, ES
  8151        5794       11811  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3439        4530  CABLEONE, US
  6327        3345        3535  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2943        3476  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2732        3702  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2169        2513  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2287      2:1535      3:237       4:8         5:4833      6:138    
   7:6         8:1632      9:1        11:172      12:1519     13:386    
  14:2414     15:302      16:198      17:381      18:633      20:303    
  21:4        22:188      23:6507     24:3052     25:6        27:2655   
  29:19       31:2692     32:97       34:26       35:120      36:2012   
  37:4761     38:6335     39:877      40:148      41:4854     42:2126   
  43:2452     44:330      45:17689    46:4532     47:395      49:1820   
  50:1911     51:596      52:1634     54:397      55:980      56:8      
  57:131      58:1974     59:1203     60:1005     61:2701     62:2858   
  63:1971     64:5815     65:2405     66:5167     67:3106     68:1365   
  69:4189     70:1413     71:701      72:3084     74:2689     75:1617   
  76:624      77:2597     78:3944     79:3036     80:2190     81:2084   
  82:1586     83:1358     84:1568     85:3836     86:872      87:2291   
  88:2861     89:3961     90:621      91:8031     92:2171     93:2657   
  94:3745     95:5095     96:1344     97:324      98:1134     99:736    
 100:123     101:1363    102:3400    103:32908   104:4644    105:2009   
 106:961     107:2621    108:1159    109:4369    110:2188    111:3187   
 112:2149    113:1816    114:1675    115:2160    116:1966    117:2599   
 118:2766    119:2095    120:1876    121:1202    122:2756    123:2261   
 124:1668    125:2580    128:1561    129:1142    130:1090    131:2087   
 132:962     133:419     134:1800    135:354     136:926     137:993    
 138:2857    139:1691    140:1271    141:1338    142:1514    143:1590   
 144:1018    145:348     146:2017    147:1634    148:2498    149:2237   
 150:915     151:1254    152:2007    153:591     154:5223    155:1415   
 156:2018    157:1365    158:1097    159:2252    160:2718    161:1626   
 162:3586    163:1664    164:1772    165:1925    166:1052    167:1758   
 168:4105    169:961     170:4922    171:925     172:3712    173:3022   
 174:1005    175:1263    176:3961    177:5597    178:3606    179:2453   
 180:2627    181:3592    182:3456    183:2050    184:2334    185:21004  
 186:5119    187:4623    188:4361    189:4116    190:9513    191:1859   
 192:11077   193:9061    194:7586    195:5490    196:3701    197:3102   
 198:6097    199:6148    200:8254    201:6303    202:11081   203:10630  
 204:4634    205:3765    206:4414    207:3550    208:4253    209:5014   
 210:4725    211:2633    212:4404    213:3756    214:1098    215:60     
 216:6938    217:3042    218:1330    219:617     220:2046    221:987    
 222:859     223:2199   

End of report


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