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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Feb 19 21:40:04 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Wed 19 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              973566
    Prefixes after maximum aggregation (per Origin AS):          372175
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      474926
    Number of IPv4 prefixes with a valid ROA:                    531364
    Number of IPv4 prefixes with an invalid ROA:                    171
    Number of IPv4 prefixes with no ROA:                         442031
Total ASes present in the Internet Routing Table:                 76627
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65692
Origin ASes announcing only one prefix:                           26876
Transit ASes present in the Internet Routing Table:               10935
Transit-only ASes present in the Internet Routing Table:            543
Paths with bogon ASNs present in the IPv4 Routing Table:            348
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1140
    Number of instances of unregistered ASNs:                      1159
Number of 32-bit ASNs allocated by the RIRs:                      46145
Number of 32-bit ASNs visible in the Routing Table:               37809
Prefixes from 32-bit ASNs in the Routing Table:                  199110
Number of bogon 32-bit ASNs visible in the Routing Table:            67
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            453
Number of addresses announced to Internet:                   3111464960
    Equivalent to 185 /8s, 117 /16s and 48 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319468

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

Prefixes being announced by APNIC Region ASes:                   254527
    Total APNIC prefixes after maximum aggregation:               75826
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247001
    Unique aggregates announced from the APNIC address blocks:   102606
APNIC Region origin ASes present in the Internet Routing Table:   14495
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4436
APNIC Region transit ASes present in the Internet Routing Table:   1939
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10005
Number of APNIC addresses announced to Internet:              752329984
    Equivalent to 44 /8s, 215 /16s and 165 /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, 131072-155961
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:                    286920
    Total ARIN prefixes after maximum aggregation:               127434
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289160
    Unique aggregates announced from the ARIN address blocks:    135870
ARIN Region origin ASes present in the Internet Routing Table:    19226
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                7031
ARIN Region transit ASes present in the Internet Routing Table:    1997
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5156
Number of ARIN addresses announced to Internet:              1344410880
    Equivalent to 80 /8s, 34 /16s and 21 /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:                    272292
    Total RIPE prefixes after maximum aggregation:               132219
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269612
    Unique aggregates announced from the RIPE address blocks:    172425
RIPE Region origin ASes present in the Internet Routing Table:    28827
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12040
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12249
Number of RIPE addresses announced to Internet:               732231424
    Equivalent to 43 /8s, 164 /16s and 247 /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:                  123627
    Total LACNIC prefixes after maximum aggregation:              29139
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120919
    Unique aggregates announced from the LACNIC address blocks:   48912
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      10.80
LACNIC Region origin ASes announcing only one prefix:              2676
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9134
Number of LACNIC addresses announced to Internet:             177894912
    Equivalent to 10 /8s, 154 /16s and 118 /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:                  35060
    Total AfriNIC prefixes after maximum aggregation:              6817
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         46420
    Unique aggregates announced from the AfriNIC address blocks:  14735
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     24.28
AfriNIC Region origin ASes announcing only one prefix:              693
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1265
Number of AfriNIC addresses announced to Internet:            104342016
    Equivalent to 6 /8s, 56 /16s and 34 /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       10333       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4265        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3250       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2144        434     190  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12771      39188    3773  AMAZON-02, US
 11492        4701        312     568  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
   174        3596       8760     911  COGENT-174, US
 22773        3588       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3045       1311    2201  AKAMAI-AS, US
396982        2928       3659     447  GOOGLE-CLOUD-PLATFORM, US
 30036        2602        363     270  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7767       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4000       3395     130  AKAMAI-ASN1, NL
  9009        3725        320    1913  M247, RO
 12389        2992       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2020        146    1497  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1495         98     747  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11757       3229     595  UNINET, MX
 10620        3544        492     951  Telmex Colombia S.A., CO
 13999        2497        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1345       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1156        371      23  Telefonica del Peru S.A.A., PE
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 22884        1075         98     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1646        389      17  LINKdotNET-AS, EG
 29571        1555         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         863       1087      16  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         557         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12771      39188    3773  AMAZON-02, US
  8151       11757       3229     595  UNINET, MX
  9808       10333       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7767       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4701        312     568  CABLEONE, US
 18403        4265        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4173        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11757        11162  UNINET, MX
  9808       10333        10245  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7767         7622  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4265         4240  FPT-AS-AP FPT Telecom Company, VN
 11492        4701         4133  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3918         3893  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:92      /12:307     
/13:587     /14:1225    /15:2164    /16:13930   /17:8275    /18:13705   
/19:24555   /20:43881   /21:51956   /22:112256  /23:101074  /24:599484  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6721        7767  UNI2-AS, ES
  8151        5963       11757  UNINET, MX
 11492        3556        4701  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2708        3588  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2272       12771  AMAZON-02, US
 30036        2260        2602  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  Telmex Colombia S.A., CO

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

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

   1:2295      2:1521      3:570       4:10        5:4517      6:165    
   7:6         8:1555      9:1        11:172      12:1381     13:347    
  14:2506     15:348      16:273      17:357      18:916      20:450    
  21:4        22:188      23:7323     24:2726     25:2        27:2746   
  29:19       31:3139     32:35       34:78       35:200      36:2407   
  37:4594     38:8583     39:896      40:153      41:4183     42:1932   
  43:2532     44:353      45:18250    46:4984     47:291      49:1970   
  50:1889     51:589      52:1570     54:300      55:1087     56:9      
  57:242      58:2222     59:1173     60:1167     61:2783     62:2943   
  63:1827     64:5517     65:2139     66:4644     67:3031     68:1154   
  69:3978     70:1159     71:617      72:2875     74:2787     75:1647   
  76:611      77:2660     78:1873     79:1716     80:2205     81:2031   
  82:2594     83:1412     84:1793     85:3361     86:1017     87:2169   
  88:1315     89:4310     90:761      91:8325     92:2808     93:2859   
  94:3908     95:4226     96:1356     97:318      98:1003     99:739    
 100:71      101:1132    102:3705    103:32259   104:4791    105:753    
 106:995     107:2612    108:1201    109:4089    110:2223    111:3316   
 112:2047    113:1777    114:1938    115:2165    116:2044    117:2749   
 118:2880    119:1956    120:1873    121:1362    122:2753    123:2177   
 124:1559    125:2870    126:94      128:1594    129:958     130:1281   
 131:1852    132:796     133:450     134:1523    135:325     136:1331   
 137:1286    138:2881    139:1606    140:1556    141:1475    142:1828   
 143:1603    144:1050    145:470     146:2130    147:2061    148:2608   
 149:2855    150:1218    151:1678    152:2109    153:571     154:7130   
 155:1606    156:2737    157:1898    158:1252    159:2431    160:3568   
 161:1900    162:3691    163:1831    164:1695    165:2177    166:1359   
 167:1883    168:4073    169:798     170:5074    171:1005    172:4338   
 173:3247    174:923     175:1267    176:3607    177:4739    178:3752   
 179:2228    180:2559    181:3996    182:3368    183:2032    184:2309   
 185:21479   186:5095    187:4300    188:4221    189:4186    190:9617   
 191:1529    192:11181   193:9388    194:7744    195:5477    196:3281   
 197:3671    198:6167    199:8331    200:8159    201:6303    202:10375  
 203:10608   204:4559    205:3665    206:4618    207:3552    208:4195   
 209:5156    210:4565    211:2522    212:4476    213:3745    214:1055   
 215:40      216:6573    217:3106    218:1336    219:372     220:2102   
 221:1053    222:717     223:2309   

End of report


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